Home / 229,972.20-344,958.30-219,085.80

Finding the Fourth Proportional to 229,972.20, 344,958.30 and 219,085.80

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Solution

The fourth proportional to 229,972.20, 344,958.30 and 219,085.80 is: 328,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,972.20 : 344,958.30 = 219,085.80 : x
  2. Step 2: Convert to fraction form
    229,972.20/344,958.30 = 219,085.80/x
  3. Step 3: Cross multiply
    229,972.20x = 344,958.30 × 219,085.80
  4. Step 4: Simplify right side
    229,972.20x = 75,575,465,122.14
  5. Step 5: Solve for x
    x = 75,575,465,122.14/229,972.20
  6. Step 6: Final answer
    x = 328,628.70

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1.5x scale

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.