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Finding the Fourth Proportional to 491,027.40, 736,541.10 and 254,442.60

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Solution

The fourth proportional to 491,027.40, 736,541.10 and 254,442.60 is: 381,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,027.40 : 736,541.10 = 254,442.60 : x
  2. Step 2: Convert to fraction form
    491,027.40/736,541.10 = 254,442.60/x
  3. Step 3: Cross multiply
    491,027.40x = 736,541.10 × 254,442.60
  4. Step 4: Simplify right side
    491,027.40x = 187,407,432,490.86
  5. Step 5: Solve for x
    x = 187,407,432,490.86/491,027.40
  6. Step 6: Final answer
    x = 381,663.90

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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.