Home / 447,465.31-617,516.13-253,881.18

Finding the Fourth Proportional to 447,465.31, 617,516.13 and 253,881.18

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Solution

The fourth proportional to 447,465.31, 617,516.13 and 253,881.18 is: 350,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,465.31 : 617,516.13 = 253,881.18 : x
  2. Step 2: Convert to fraction form
    447,465.31/617,516.13 = 253,881.18/x
  3. Step 3: Cross multiply
    447,465.31x = 617,516.13 × 253,881.18
  4. Step 4: Simplify right side
    447,465.31x = 156,775,723,753.43
  5. Step 5: Solve for x
    x = 156,775,723,753.43/447,465.31
  6. Step 6: Final answer
    x = 350,363.97

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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.