Home / 331,182.72-456,960.96-187,931.52

Finding the Fourth Proportional to 331,182.72, 456,960.96 and 187,931.52

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Solution

The fourth proportional to 331,182.72, 456,960.96 and 187,931.52 is: 259,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,182.72 : 456,960.96 = 187,931.52 : x
  2. Step 2: Convert to fraction form
    331,182.72/456,960.96 = 187,931.52/x
  3. Step 3: Cross multiply
    331,182.72x = 456,960.96 × 187,931.52
  4. Step 4: Simplify right side
    331,182.72x = 85,877,367,793.46
  5. Step 5: Solve for x
    x = 85,877,367,793.46/331,182.72
  6. Step 6: Final answer
    x = 259,305.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.