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Finding the Fourth Proportional to 408,659.44, 612,983 and 183,861.12

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Solution

The fourth proportional to 408,659.44, 612,983 and 183,861.12 is: 275,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,659.44 : 612,983 = 183,861.12 : x
  2. Step 2: Convert to fraction form
    408,659.44/612,983 = 183,861.12/x
  3. Step 3: Cross multiply
    408,659.44x = 612,983 × 183,861.12
  4. Step 4: Simplify right side
    408,659.44x = 112,703,740,920.96
  5. Step 5: Solve for x
    x = 112,703,740,920.96/408,659.44
  6. Step 6: Final answer
    x = 275,788.91

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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.