Home / 331,965.54-497,948.04-121,619.88

Finding the Fourth Proportional to 331,965.54, 497,948.04 and 121,619.88

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Solution

The fourth proportional to 331,965.54, 497,948.04 and 121,619.88 is: 182,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,965.54 : 497,948.04 = 121,619.88 : x
  2. Step 2: Convert to fraction form
    331,965.54/497,948.04 = 121,619.88/x
  3. Step 3: Cross multiply
    331,965.54x = 497,948.04 × 121,619.88
  4. Step 4: Simplify right side
    331,965.54x = 60,560,380,871.04
  5. Step 5: Solve for x
    x = 60,560,380,871.04/331,965.54
  6. Step 6: Final answer
    x = 182,429.72

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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.