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Finding the Fourth Proportional to 555,251.40, 832,877.10 and 200,320.20

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Solution

The fourth proportional to 555,251.40, 832,877.10 and 200,320.20 is: 300,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,251.40 : 832,877.10 = 200,320.20 : x
  2. Step 2: Convert to fraction form
    555,251.40/832,877.10 = 200,320.20/x
  3. Step 3: Cross multiply
    555,251.40x = 832,877.10 × 200,320.20
  4. Step 4: Simplify right side
    555,251.40x = 166,842,107,247.42
  5. Step 5: Solve for x
    x = 166,842,107,247.42/555,251.40
  6. Step 6: Final answer
    x = 300,480.30

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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.