Home / 324,844.88-487,080.29-125,139.28

Finding the Fourth Proportional to 324,844.88, 487,080.29 and 125,139.28

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Solution

The fourth proportional to 324,844.88, 487,080.29 and 125,139.28 is: 187,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,844.88 : 487,080.29 = 125,139.28 : x
  2. Step 2: Convert to fraction form
    324,844.88/487,080.29 = 125,139.28/x
  3. Step 3: Cross multiply
    324,844.88x = 487,080.29 × 125,139.28
  4. Step 4: Simplify right side
    324,844.88x = 60,952,876,097.31
  5. Step 5: Solve for x
    x = 60,952,876,097.31/324,844.88
  6. Step 6: Final answer
    x = 187,636.87

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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.