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Finding the Fourth Proportional to 221,440.20, 332,127.90 and 63,652.20

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Solution

The fourth proportional to 221,440.20, 332,127.90 and 63,652.20 is: 95,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,440.20 : 332,127.90 = 63,652.20 : x
  2. Step 2: Convert to fraction form
    221,440.20/332,127.90 = 63,652.20/x
  3. Step 3: Cross multiply
    221,440.20x = 332,127.90 × 63,652.20
  4. Step 4: Simplify right side
    221,440.20x = 21,140,671,516.38
  5. Step 5: Solve for x
    x = 21,140,671,516.38/221,440.20
  6. Step 6: Final answer
    x = 95,468.99

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1.5x scale

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.