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Finding the Fourth Proportional to 250,671.54, 376,327.88 and 215,358.78

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Solution

The fourth proportional to 250,671.54, 376,327.88 and 215,358.78 is: 323,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,671.54 : 376,327.88 = 215,358.78 : x
  2. Step 2: Convert to fraction form
    250,671.54/376,327.88 = 215,358.78/x
  3. Step 3: Cross multiply
    250,671.54x = 376,327.88 × 215,358.78
  4. Step 4: Simplify right side
    250,671.54x = 81,045,513,116.79
  5. Step 5: Solve for x
    x = 81,045,513,116.79/250,671.54
  6. Step 6: Final answer
    x = 323,313.58

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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.