Home / 283,446.24-391,156.20-156,122.16

Finding the Fourth Proportional to 283,446.24, 391,156.20 and 156,122.16

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Solution

The fourth proportional to 283,446.24, 391,156.20 and 156,122.16 is: 215,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,446.24 : 391,156.20 = 156,122.16 : x
  2. Step 2: Convert to fraction form
    283,446.24/391,156.20 = 156,122.16/x
  3. Step 3: Cross multiply
    283,446.24x = 391,156.20 × 156,122.16
  4. Step 4: Simplify right side
    283,446.24x = 61,068,150,841.39
  5. Step 5: Solve for x
    x = 61,068,150,841.39/283,446.24
  6. Step 6: Final answer
    x = 215,448.79

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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.