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Finding the Fourth Proportional to 208,681.08, 287,937.90 and 132,230.04

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Solution

The fourth proportional to 208,681.08, 287,937.90 and 132,230.04 is: 182,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,681.08 : 287,937.90 = 132,230.04 : x
  2. Step 2: Convert to fraction form
    208,681.08/287,937.90 = 132,230.04/x
  3. Step 3: Cross multiply
    208,681.08x = 287,937.90 × 132,230.04
  4. Step 4: Simplify right side
    208,681.08x = 38,074,040,034.52
  5. Step 5: Solve for x
    x = 38,074,040,034.52/208,681.08
  6. Step 6: Final answer
    x = 182,450.85

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1.5x scale

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.