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Finding the Fourth Proportional to 332,775.60, 499,236.30 and 133,045.80

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Solution

The fourth proportional to 332,775.60, 499,236.30 and 133,045.80 is: 199,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,775.60 : 499,236.30 = 133,045.80 : x
  2. Step 2: Convert to fraction form
    332,775.60/499,236.30 = 133,045.80/x
  3. Step 3: Cross multiply
    332,775.60x = 499,236.30 × 133,045.80
  4. Step 4: Simplify right side
    332,775.60x = 66,421,292,922.54
  5. Step 5: Solve for x
    x = 66,421,292,922.54/332,775.60
  6. Step 6: Final answer
    x = 199,597.85

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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.