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Finding the Fourth Proportional to 156,604.32, 234,893.82 and 44,280

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Solution

The fourth proportional to 156,604.32, 234,893.82 and 44,280 is: 66,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,604.32 : 234,893.82 = 44,280 : x
  2. Step 2: Convert to fraction form
    156,604.32/234,893.82 = 44,280/x
  3. Step 3: Cross multiply
    156,604.32x = 234,893.82 × 44,280
  4. Step 4: Simplify right side
    156,604.32x = 10,401,098,349.60
  5. Step 5: Solve for x
    x = 10,401,098,349.60/156,604.32
  6. Step 6: Final answer
    x = 66,416.42

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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.