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Finding the Fourth Proportional to 331,879.02, 497,785.72 and 132,145.77

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Solution

The fourth proportional to 331,879.02, 497,785.72 and 132,145.77 is: 198,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,879.02 : 497,785.72 = 132,145.77 : x
  2. Step 2: Convert to fraction form
    331,879.02/497,785.72 = 132,145.77/x
  3. Step 3: Cross multiply
    331,879.02x = 497,785.72 × 132,145.77
  4. Step 4: Simplify right side
    331,879.02x = 65,780,277,264.40
  5. Step 5: Solve for x
    x = 65,780,277,264.40/331,879.02
  6. Step 6: Final answer
    x = 198,205.59

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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.