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Finding the Fourth Proportional to 555,451.68, 833,169.24 and 134,731.20

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Solution

The fourth proportional to 555,451.68, 833,169.24 and 134,731.20 is: 202,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,451.68 : 833,169.24 = 134,731.20 : x
  2. Step 2: Convert to fraction form
    555,451.68/833,169.24 = 134,731.20/x
  3. Step 3: Cross multiply
    555,451.68x = 833,169.24 × 134,731.20
  4. Step 4: Simplify right side
    555,451.68x = 112,253,891,508.29
  5. Step 5: Solve for x
    x = 112,253,891,508.29/555,451.68
  6. Step 6: Final answer
    x = 202,094.79

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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.