Home / 373,376.25-515,298.11-230,132.61

Finding the Fourth Proportional to 373,376.25, 515,298.11 and 230,132.61

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Solution

The fourth proportional to 373,376.25, 515,298.11 and 230,132.61 is: 317,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,376.25 : 515,298.11 = 230,132.61 : x
  2. Step 2: Convert to fraction form
    373,376.25/515,298.11 = 230,132.61/x
  3. Step 3: Cross multiply
    373,376.25x = 515,298.11 × 230,132.61
  4. Step 4: Simplify right side
    373,376.25x = 118,586,897,831.70
  5. Step 5: Solve for x
    x = 118,586,897,831.70/373,376.25
  6. Step 6: Final answer
    x = 317,606.97

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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.