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Finding the Fourth Proportional to 239,770.80, 330,860.12 and 132,333.89

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Solution

The fourth proportional to 239,770.80, 330,860.12 and 132,333.89 is: 182,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,770.80 : 330,860.12 = 132,333.89 : x
  2. Step 2: Convert to fraction form
    239,770.80/330,860.12 = 132,333.89/x
  3. Step 3: Cross multiply
    239,770.80x = 330,860.12 × 132,333.89
  4. Step 4: Simplify right side
    239,770.80x = 43,784,004,409.50
  5. Step 5: Solve for x
    x = 43,784,004,409.50/239,770.80
  6. Step 6: Final answer
    x = 182,607.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.