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Finding the Fourth Proportional to 254,517.80, 381,827.90 and 88,271.40

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Solution

The fourth proportional to 254,517.80, 381,827.90 and 88,271.40 is: 132,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,517.80 : 381,827.90 = 88,271.40 : x
  2. Step 2: Convert to fraction form
    254,517.80/381,827.90 = 88,271.40/x
  3. Step 3: Cross multiply
    254,517.80x = 381,827.90 × 88,271.40
  4. Step 4: Simplify right side
    254,517.80x = 33,704,483,292.06
  5. Step 5: Solve for x
    x = 33,704,483,292.06/254,517.80
  6. Step 6: Final answer
    x = 132,424.86

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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.