Home / 311,022.03-466,511.13-121,446.78

Finding the Fourth Proportional to 311,022.03, 466,511.13 and 121,446.78

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Solution

The fourth proportional to 311,022.03, 466,511.13 and 121,446.78 is: 182,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,022.03 : 466,511.13 = 121,446.78 : x
  2. Step 2: Convert to fraction form
    311,022.03/466,511.13 = 121,446.78/x
  3. Step 3: Cross multiply
    311,022.03x = 466,511.13 × 121,446.78
  4. Step 4: Simplify right side
    311,022.03x = 56,656,274,572.66
  5. Step 5: Solve for x
    x = 56,656,274,572.66/311,022.03
  6. Step 6: Final answer
    x = 182,161.61

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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.