Home / 331,719.10-497,610.95-131,992.81

Finding the Fourth Proportional to 331,719.10, 497,610.95 and 131,992.81

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Solution

The fourth proportional to 331,719.10, 497,610.95 and 131,992.81 is: 198,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,719.10 : 497,610.95 = 131,992.81 : x
  2. Step 2: Convert to fraction form
    331,719.10/497,610.95 = 131,992.81/x
  3. Step 3: Cross multiply
    331,719.10x = 497,610.95 × 131,992.81
  4. Step 4: Simplify right side
    331,719.10x = 65,681,065,673.28
  5. Step 5: Solve for x
    x = 65,681,065,673.28/331,719.10
  6. Step 6: Final answer
    x = 198,002.06

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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.