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Finding the Fourth Proportional to 221,808.68, 332,614.20 and 63,999.64

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Solution

The fourth proportional to 221,808.68, 332,614.20 and 63,999.64 is: 95,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,808.68 : 332,614.20 = 63,999.64 : x
  2. Step 2: Convert to fraction form
    221,808.68/332,614.20 = 63,999.64/x
  3. Step 3: Cross multiply
    221,808.68x = 332,614.20 × 63,999.64
  4. Step 4: Simplify right side
    221,808.68x = 21,287,189,058.89
  5. Step 5: Solve for x
    x = 21,287,189,058.89/221,808.68
  6. Step 6: Final answer
    x = 95,970.95

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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.