Home / 331,395.20-497,169.92-94,741.12

Finding the Fourth Proportional to 331,395.20, 497,169.92 and 94,741.12

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Solution

The fourth proportional to 331,395.20, 497,169.92 and 94,741.12 is: 142,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,395.20 : 497,169.92 = 94,741.12 : x
  2. Step 2: Convert to fraction form
    331,395.20/497,169.92 = 94,741.12/x
  3. Step 3: Cross multiply
    331,395.20x = 497,169.92 × 94,741.12
  4. Step 4: Simplify right side
    331,395.20x = 47,102,435,051.11
  5. Step 5: Solve for x
    x = 47,102,435,051.11/331,395.20
  6. Step 6: Final answer
    x = 142,133.73

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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.