Home / 208,207.44-287,326.17-112,714.02

Finding the Fourth Proportional to 208,207.44, 287,326.17 and 112,714.02

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Solution

The fourth proportional to 208,207.44, 287,326.17 and 112,714.02 is: 155,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,207.44 : 287,326.17 = 112,714.02 : x
  2. Step 2: Convert to fraction form
    208,207.44/287,326.17 = 112,714.02/x
  3. Step 3: Cross multiply
    208,207.44x = 287,326.17 × 112,714.02
  4. Step 4: Simplify right side
    208,207.44x = 32,385,687,671.90
  5. Step 5: Solve for x
    x = 32,385,687,671.90/208,207.44
  6. Step 6: Final answer
    x = 155,545.29

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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.