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Finding the Fourth Proportional to 156,574.80, 234,874.86 and 44,255.92

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Solution

The fourth proportional to 156,574.80, 234,874.86 and 44,255.92 is: 66,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,574.80 : 234,874.86 = 44,255.92 : x
  2. Step 2: Convert to fraction form
    156,574.80/234,874.86 = 44,255.92/x
  3. Step 3: Cross multiply
    156,574.80x = 234,874.86 × 44,255.92
  4. Step 4: Simplify right side
    156,574.80x = 10,394,603,014.17
  5. Step 5: Solve for x
    x = 10,394,603,014.17/156,574.80
  6. Step 6: Final answer
    x = 66,387.46

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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.