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Finding the Fourth Proportional to 658,690.16, 988,035.84 and 185,375.97

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Solution

The fourth proportional to 658,690.16, 988,035.84 and 185,375.97 is: 278,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,690.16 : 988,035.84 = 185,375.97 : x
  2. Step 2: Convert to fraction form
    658,690.16/988,035.84 = 185,375.97/x
  3. Step 3: Cross multiply
    658,690.16x = 988,035.84 × 185,375.97
  4. Step 4: Simplify right side
    658,690.16x = 183,158,102,234.77
  5. Step 5: Solve for x
    x = 183,158,102,234.77/658,690.16
  6. Step 6: Final answer
    x = 278,064.13

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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.