Home / 394,721.70-592,155.60-124,917.74

Finding the Fourth Proportional to 394,721.70, 592,155.60 and 124,917.74

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Solution

The fourth proportional to 394,721.70, 592,155.60 and 124,917.74 is: 187,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,721.70 : 592,155.60 = 124,917.74 : x
  2. Step 2: Convert to fraction form
    394,721.70/592,155.60 = 124,917.74/x
  3. Step 3: Cross multiply
    394,721.70x = 592,155.60 × 124,917.74
  4. Step 4: Simplify right side
    394,721.70x = 73,970,739,280.34
  5. Step 5: Solve for x
    x = 73,970,739,280.34/394,721.70
  6. Step 6: Final answer
    x = 187,399.73

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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.