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Finding the Fourth Proportional to 560,600.46, 840,400.65 and 205,531.65

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Solution

The fourth proportional to 560,600.46, 840,400.65 and 205,531.65 is: 308,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,600.46 : 840,400.65 = 205,531.65 : x
  2. Step 2: Convert to fraction form
    560,600.46/840,400.65 = 205,531.65/x
  3. Step 3: Cross multiply
    560,600.46x = 840,400.65 × 205,531.65
  4. Step 4: Simplify right side
    560,600.46x = 172,728,932,255.57
  5. Step 5: Solve for x
    x = 172,728,932,255.57/560,600.46
  6. Step 6: Final answer
    x = 308,114.15

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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.