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Finding the Fourth Proportional to 221,770.46, 332,655.66 and 53,290.79

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Solution

The fourth proportional to 221,770.46, 332,655.66 and 53,290.79 is: 79,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,770.46 : 332,655.66 = 53,290.79 : x
  2. Step 2: Convert to fraction form
    221,770.46/332,655.66 = 53,290.79/x
  3. Step 3: Cross multiply
    221,770.46x = 332,655.66 × 53,290.79
  4. Step 4: Simplify right side
    221,770.46x = 17,727,482,488.93
  5. Step 5: Solve for x
    x = 17,727,482,488.93/221,770.46
  6. Step 6: Final answer
    x = 79,936.17

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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.