Home / 399,272.13-598,936.95-125,694.90

Finding the Fourth Proportional to 399,272.13, 598,936.95 and 125,694.90

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Solution

The fourth proportional to 399,272.13, 598,936.95 and 125,694.90 is: 188,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,272.13 : 598,936.95 = 125,694.90 : x
  2. Step 2: Convert to fraction form
    399,272.13/598,936.95 = 125,694.90/x
  3. Step 3: Cross multiply
    399,272.13x = 598,936.95 × 125,694.90
  4. Step 4: Simplify right side
    399,272.13x = 75,283,320,036.56
  5. Step 5: Solve for x
    x = 75,283,320,036.56/399,272.13
  6. Step 6: Final answer
    x = 188,551.40

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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.