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Finding the Fourth Proportional to 399,500.46, 599,244.57 and 119,017.71

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Solution

The fourth proportional to 399,500.46, 599,244.57 and 119,017.71 is: 178,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,500.46 : 599,244.57 = 119,017.71 : x
  2. Step 2: Convert to fraction form
    399,500.46/599,244.57 = 119,017.71/x
  3. Step 3: Cross multiply
    399,500.46x = 599,244.57 × 119,017.71
  4. Step 4: Simplify right side
    399,500.46x = 71,320,716,451.33
  5. Step 5: Solve for x
    x = 71,320,716,451.33/399,500.46
  6. Step 6: Final answer
    x = 178,524.74

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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.