Home / 215,442.16-323,053.88-161,641.96

Finding the Fourth Proportional to 215,442.16, 323,053.88 and 161,641.96

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Solution

The fourth proportional to 215,442.16, 323,053.88 and 161,641.96 is: 242,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,442.16 : 323,053.88 = 161,641.96 : x
  2. Step 2: Convert to fraction form
    215,442.16/323,053.88 = 161,641.96/x
  3. Step 3: Cross multiply
    215,442.16x = 323,053.88 × 161,641.96
  4. Step 4: Simplify right side
    215,442.16x = 52,219,062,348.80
  5. Step 5: Solve for x
    x = 52,219,062,348.80/215,442.16
  6. Step 6: Final answer
    x = 242,380.89

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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.