Home / 215,280.20-322,921.92-75,038.96

Finding the Fourth Proportional to 215,280.20, 322,921.92 and 75,038.96

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Solution

The fourth proportional to 215,280.20, 322,921.92 and 75,038.96 is: 112,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,280.20 : 322,921.92 = 75,038.96 : x
  2. Step 2: Convert to fraction form
    215,280.20/322,921.92 = 75,038.96/x
  3. Step 3: Cross multiply
    215,280.20x = 322,921.92 × 75,038.96
  4. Step 4: Simplify right side
    215,280.20x = 24,231,723,423.39
  5. Step 5: Solve for x
    x = 24,231,723,423.39/215,280.20
  6. Step 6: Final answer
    x = 112,559.00

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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.