Home / 215,306.20-296,814.63-151,445.80

Finding the Fourth Proportional to 215,306.20, 296,814.63 and 151,445.80

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Solution

The fourth proportional to 215,306.20, 296,814.63 and 151,445.80 is: 208,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,306.20 : 296,814.63 = 151,445.80 : x
  2. Step 2: Convert to fraction form
    215,306.20/296,814.63 = 151,445.80/x
  3. Step 3: Cross multiply
    215,306.20x = 296,814.63 × 151,445.80
  4. Step 4: Simplify right side
    215,306.20x = 44,951,329,179.11
  5. Step 5: Solve for x
    x = 44,951,329,179.11/215,306.20
  6. Step 6: Final answer
    x = 208,778.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.