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Finding the Fourth Proportional to 187,182, 280,693.08 and 108,350.64

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Solution

The fourth proportional to 187,182, 280,693.08 and 108,350.64 is: 162,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,182 : 280,693.08 = 108,350.64 : x
  2. Step 2: Convert to fraction form
    187,182/280,693.08 = 108,350.64/x
  3. Step 3: Cross multiply
    187,182x = 280,693.08 × 108,350.64
  4. Step 4: Simplify right side
    187,182x = 30,413,274,861.57
  5. Step 5: Solve for x
    x = 30,413,274,861.57/187,182
  6. Step 6: Final answer
    x = 162,479.70

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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.