Home / 392,944.88-588,531.13-275,142.13

Finding the Fourth Proportional to 392,944.88, 588,531.13 and 275,142.13

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Solution

The fourth proportional to 392,944.88, 588,531.13 and 275,142.13 is: 412,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,944.88 : 588,531.13 = 275,142.13 : x
  2. Step 2: Convert to fraction form
    392,944.88/588,531.13 = 275,142.13/x
  3. Step 3: Cross multiply
    392,944.88x = 588,531.13 × 275,142.13
  4. Step 4: Simplify right side
    392,944.88x = 161,929,708,679.51
  5. Step 5: Solve for x
    x = 161,929,708,679.51/392,944.88
  6. Step 6: Final answer
    x = 412,092.68

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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.