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Finding the Fourth Proportional to 408,737.00, 612,219.35 and 197,932.88

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Solution

The fourth proportional to 408,737.00, 612,219.35 and 197,932.88 is: 296,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,737.00 : 612,219.35 = 197,932.88 : x
  2. Step 2: Convert to fraction form
    408,737.00/612,219.35 = 197,932.88/x
  3. Step 3: Cross multiply
    408,737.00x = 612,219.35 × 197,932.88
  4. Step 4: Simplify right side
    408,737.00x = 121,178,336,570.96
  5. Step 5: Solve for x
    x = 121,178,336,570.96/408,737.00
  6. Step 6: Final answer
    x = 296,470.19

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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.