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Finding the Fourth Proportional to 540,107.70, 810,161.55 and 166,082.10

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Solution

The fourth proportional to 540,107.70, 810,161.55 and 166,082.10 is: 249,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,107.70 : 810,161.55 = 166,082.10 : x
  2. Step 2: Convert to fraction form
    540,107.70/810,161.55 = 166,082.10/x
  3. Step 3: Cross multiply
    540,107.70x = 810,161.55 × 166,082.10
  4. Step 4: Simplify right side
    540,107.70x = 134,553,331,563.26
  5. Step 5: Solve for x
    x = 134,553,331,563.26/540,107.70
  6. Step 6: Final answer
    x = 249,123.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.