Home / 215,351.20-323,002.08-57,591.95

Finding the Fourth Proportional to 215,351.20, 323,002.08 and 57,591.95

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Solution

The fourth proportional to 215,351.20, 323,002.08 and 57,591.95 is: 86,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,351.20 : 323,002.08 = 57,591.95 : x
  2. Step 2: Convert to fraction form
    215,351.20/323,002.08 = 57,591.95/x
  3. Step 3: Cross multiply
    215,351.20x = 323,002.08 × 57,591.95
  4. Step 4: Simplify right side
    215,351.20x = 18,602,320,448.76
  5. Step 5: Solve for x
    x = 18,602,320,448.76/215,351.20
  6. Step 6: Final answer
    x = 86,381.32

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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.