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Finding the Fourth Proportional to 445,675.62, 615,074.38 and 254,651.96

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Solution

The fourth proportional to 445,675.62, 615,074.38 and 254,651.96 is: 351,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,675.62 : 615,074.38 = 254,651.96 : x
  2. Step 2: Convert to fraction form
    445,675.62/615,074.38 = 254,651.96/x
  3. Step 3: Cross multiply
    445,675.62x = 615,074.38 × 254,651.96
  4. Step 4: Simplify right side
    445,675.62x = 156,629,896,412.79
  5. Step 5: Solve for x
    x = 156,629,896,412.79/445,675.62
  6. Step 6: Final answer
    x = 351,443.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.