Home / 229,788.28-344,691.69-80,043.72

Finding the Fourth Proportional to 229,788.28, 344,691.69 and 80,043.72

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Solution

The fourth proportional to 229,788.28, 344,691.69 and 80,043.72 is: 120,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,788.28 : 344,691.69 = 80,043.72 : x
  2. Step 2: Convert to fraction form
    229,788.28/344,691.69 = 80,043.72/x
  3. Step 3: Cross multiply
    229,788.28x = 344,691.69 × 80,043.72
  4. Step 4: Simplify right side
    229,788.28x = 27,590,403,527.93
  5. Step 5: Solve for x
    x = 27,590,403,527.93/229,788.28
  6. Step 6: Final answer
    x = 120,068.80

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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.