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Finding the Fourth Proportional to 491,122.32, 736,610.56 and 136,099.32

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Solution

The fourth proportional to 491,122.32, 736,610.56 and 136,099.32 is: 204,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,122.32 : 736,610.56 = 136,099.32 : x
  2. Step 2: Convert to fraction form
    491,122.32/736,610.56 = 136,099.32/x
  3. Step 3: Cross multiply
    491,122.32x = 736,610.56 × 136,099.32
  4. Step 4: Simplify right side
    491,122.32x = 100,252,196,320.82
  5. Step 5: Solve for x
    x = 100,252,196,320.82/491,122.32
  6. Step 6: Final answer
    x = 204,128.77

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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.