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Finding the Fourth Proportional to 437,244.94, 654,385.97 and 268,871.90

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Solution

The fourth proportional to 437,244.94, 654,385.97 and 268,871.90 is: 402,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,244.94 : 654,385.97 = 268,871.90 : x
  2. Step 2: Convert to fraction form
    437,244.94/654,385.97 = 268,871.90/x
  3. Step 3: Cross multiply
    437,244.94x = 654,385.97 × 268,871.90
  4. Step 4: Simplify right side
    437,244.94x = 175,945,999,087.24
  5. Step 5: Solve for x
    x = 175,945,999,087.24/437,244.94
  6. Step 6: Final answer
    x = 402,396.88

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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.