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Finding the Fourth Proportional to 881,286, 1,321,925.76 and 250,199.88

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Solution

The fourth proportional to 881,286, 1,321,925.76 and 250,199.88 is: 375,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,286 : 1,321,925.76 = 250,199.88 : x
  2. Step 2: Convert to fraction form
    881,286/1,321,925.76 = 250,199.88/x
  3. Step 3: Cross multiply
    881,286x = 1,321,925.76 × 250,199.88
  4. Step 4: Simplify right side
    881,286x = 330,745,666,520.91
  5. Step 5: Solve for x
    x = 330,745,666,520.91/881,286
  6. Step 6: Final answer
    x = 375,298.90

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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.