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Finding the Fourth Proportional to 188,326.32, 282,352.52 and 88,435.04

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Solution

The fourth proportional to 188,326.32, 282,352.52 and 88,435.04 is: 132,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,326.32 : 282,352.52 = 88,435.04 : x
  2. Step 2: Convert to fraction form
    188,326.32/282,352.52 = 88,435.04/x
  3. Step 3: Cross multiply
    188,326.32x = 282,352.52 × 88,435.04
  4. Step 4: Simplify right side
    188,326.32x = 24,969,856,400.30
  5. Step 5: Solve for x
    x = 24,969,856,400.30/188,326.32
  6. Step 6: Final answer
    x = 132,588.25

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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.