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Finding the Fourth Proportional to 491,338.98, 737,008.44 and 136,353.12

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Solution

The fourth proportional to 491,338.98, 737,008.44 and 136,353.12 is: 204,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,338.98 : 737,008.44 = 136,353.12 : x
  2. Step 2: Convert to fraction form
    491,338.98/737,008.44 = 136,353.12/x
  3. Step 3: Cross multiply
    491,338.98x = 737,008.44 × 136,353.12
  4. Step 4: Simplify right side
    491,338.98x = 100,493,400,260.33
  5. Step 5: Solve for x
    x = 100,493,400,260.33/491,338.98
  6. Step 6: Final answer
    x = 204,529.67

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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.