Home / 206,349.53-284,775.95-115,711.28

Finding the Fourth Proportional to 206,349.53, 284,775.95 and 115,711.28

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Solution

The fourth proportional to 206,349.53, 284,775.95 and 115,711.28 is: 159,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,349.53 : 284,775.95 = 115,711.28 : x
  2. Step 2: Convert to fraction form
    206,349.53/284,775.95 = 115,711.28/x
  3. Step 3: Cross multiply
    206,349.53x = 284,775.95 × 115,711.28
  4. Step 4: Simplify right side
    206,349.53x = 32,951,791,222.89
  5. Step 5: Solve for x
    x = 32,951,791,222.89/206,349.53
  6. Step 6: Final answer
    x = 159,689.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.