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Finding the Fourth Proportional to 188,357.34, 282,418.56 and 88,474.62

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Solution

The fourth proportional to 188,357.34, 282,418.56 and 88,474.62 is: 132,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,357.34 : 282,418.56 = 88,474.62 : x
  2. Step 2: Convert to fraction form
    188,357.34/282,418.56 = 88,474.62/x
  3. Step 3: Cross multiply
    188,357.34x = 282,418.56 × 88,474.62
  4. Step 4: Simplify right side
    188,357.34x = 24,986,874,776.95
  5. Step 5: Solve for x
    x = 24,986,874,776.95/188,357.34
  6. Step 6: Final answer
    x = 132,656.76

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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.