Home / 286,532.28-395,397.18-159,203.52

Finding the Fourth Proportional to 286,532.28, 395,397.18 and 159,203.52

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Solution

The fourth proportional to 286,532.28, 395,397.18 and 159,203.52 is: 219,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,532.28 : 395,397.18 = 159,203.52 : x
  2. Step 2: Convert to fraction form
    286,532.28/395,397.18 = 159,203.52/x
  3. Step 3: Cross multiply
    286,532.28x = 395,397.18 × 159,203.52
  4. Step 4: Simplify right side
    286,532.28x = 62,948,622,854.07
  5. Step 5: Solve for x
    x = 62,948,622,854.07/286,532.28
  6. Step 6: Final answer
    x = 219,691.21

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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.