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Finding the Fourth Proportional to 332,874.56, 499,288.80 and 122,473.28

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Solution

The fourth proportional to 332,874.56, 499,288.80 and 122,473.28 is: 183,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,874.56 : 499,288.80 = 122,473.28 : x
  2. Step 2: Convert to fraction form
    332,874.56/499,288.80 = 122,473.28/x
  3. Step 3: Cross multiply
    332,874.56x = 499,288.80 × 122,473.28
  4. Step 4: Simplify right side
    332,874.56x = 61,149,537,003.26
  5. Step 5: Solve for x
    x = 61,149,537,003.26/332,874.56
  6. Step 6: Final answer
    x = 183,701.44

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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.