Home / 215,350.45-323,000.96-57,591.20

Finding the Fourth Proportional to 215,350.45, 323,000.96 and 57,591.20

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Solution

The fourth proportional to 215,350.45, 323,000.96 and 57,591.20 is: 86,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,350.45 : 323,000.96 = 57,591.20 : x
  2. Step 2: Convert to fraction form
    215,350.45/323,000.96 = 57,591.20/x
  3. Step 3: Cross multiply
    215,350.45x = 323,000.96 × 57,591.20
  4. Step 4: Simplify right side
    215,350.45x = 18,602,013,407.10
  5. Step 5: Solve for x
    x = 18,602,013,407.10/215,350.45
  6. Step 6: Final answer
    x = 86,380.19

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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.