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Finding the Fourth Proportional to 221,808.80, 332,713.20 and 64,042.40

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Solution

The fourth proportional to 221,808.80, 332,713.20 and 64,042.40 is: 96,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,808.80 : 332,713.20 = 64,042.40 : x
  2. Step 2: Convert to fraction form
    221,808.80/332,713.20 = 64,042.40/x
  3. Step 3: Cross multiply
    221,808.80x = 332,713.20 × 64,042.40
  4. Step 4: Simplify right side
    221,808.80x = 21,307,751,839.68
  5. Step 5: Solve for x
    x = 21,307,751,839.68/221,808.80
  6. Step 6: Final answer
    x = 96,063.60

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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.