Home / 387,177.66-580,828.05-134,535.42

Finding the Fourth Proportional to 387,177.66, 580,828.05 and 134,535.42

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Solution

The fourth proportional to 387,177.66, 580,828.05 and 134,535.42 is: 201,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,177.66 : 580,828.05 = 134,535.42 : x
  2. Step 2: Convert to fraction form
    387,177.66/580,828.05 = 134,535.42/x
  3. Step 3: Cross multiply
    387,177.66x = 580,828.05 × 134,535.42
  4. Step 4: Simplify right side
    387,177.66x = 78,141,945,654.53
  5. Step 5: Solve for x
    x = 78,141,945,654.53/387,177.66
  6. Step 6: Final answer
    x = 201,824.52

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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.