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Finding the Fourth Proportional to 540,315.01, 810,472.52 and 207,813.25

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Solution

The fourth proportional to 540,315.01, 810,472.52 and 207,813.25 is: 311,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,315.01 : 810,472.52 = 207,813.25 : x
  2. Step 2: Convert to fraction form
    540,315.01/810,472.52 = 207,813.25/x
  3. Step 3: Cross multiply
    540,315.01x = 810,472.52 × 207,813.25
  4. Step 4: Simplify right side
    540,315.01x = 168,426,928,416.89
  5. Step 5: Solve for x
    x = 168,426,928,416.89/540,315.01
  6. Step 6: Final answer
    x = 311,719.88

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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.