Home / 399,299.22-598,977.54-125,721.90

Finding the Fourth Proportional to 399,299.22, 598,977.54 and 125,721.90

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Solution

The fourth proportional to 399,299.22, 598,977.54 and 125,721.90 is: 188,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,299.22 : 598,977.54 = 125,721.90 : x
  2. Step 2: Convert to fraction form
    399,299.22/598,977.54 = 125,721.90/x
  3. Step 3: Cross multiply
    399,299.22x = 598,977.54 × 125,721.90
  4. Step 4: Simplify right side
    399,299.22x = 75,304,594,386.13
  5. Step 5: Solve for x
    x = 75,304,594,386.13/399,299.22
  6. Step 6: Final answer
    x = 188,591.89

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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.