Home / 415,229.28-622,622.44-215,053.17

Finding the Fourth Proportional to 415,229.28, 622,622.44 and 215,053.17

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Solution

The fourth proportional to 415,229.28, 622,622.44 and 215,053.17 is: 322,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,229.28 : 622,622.44 = 215,053.17 : x
  2. Step 2: Convert to fraction form
    415,229.28/622,622.44 = 215,053.17/x
  3. Step 3: Cross multiply
    415,229.28x = 622,622.44 × 215,053.17
  4. Step 4: Simplify right side
    415,229.28x = 133,896,929,435.14
  5. Step 5: Solve for x
    x = 133,896,929,435.14/415,229.28
  6. Step 6: Final answer
    x = 322,465.05

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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.