Home / 215,640.30-323,575.65-97,329.90

Finding the Fourth Proportional to 215,640.30, 323,575.65 and 97,329.90

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Solution

The fourth proportional to 215,640.30, 323,575.65 and 97,329.90 is: 146,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,640.30 : 323,575.65 = 97,329.90 : x
  2. Step 2: Convert to fraction form
    215,640.30/323,575.65 = 97,329.90/x
  3. Step 3: Cross multiply
    215,640.30x = 323,575.65 × 97,329.90
  4. Step 4: Simplify right side
    215,640.30x = 31,493,585,656.94
  5. Step 5: Solve for x
    x = 31,493,585,656.94/215,640.30
  6. Step 6: Final answer
    x = 146,046.85

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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.