Home / 415,192.24-622,613.76-145,262.68

Finding the Fourth Proportional to 415,192.24, 622,613.76 and 145,262.68

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Solution

The fourth proportional to 415,192.24, 622,613.76 and 145,262.68 is: 217,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,192.24 : 622,613.76 = 145,262.68 : x
  2. Step 2: Convert to fraction form
    415,192.24/622,613.76 = 145,262.68/x
  3. Step 3: Cross multiply
    415,192.24x = 622,613.76 × 145,262.68
  4. Step 4: Simplify right side
    415,192.24x = 90,442,543,382.48
  5. Step 5: Solve for x
    x = 90,442,543,382.48/415,192.24
  6. Step 6: Final answer
    x = 217,832.93

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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.