Home / 311,478.22-467,338.55-124,543.18

Finding the Fourth Proportional to 311,478.22, 467,338.55 and 124,543.18

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Solution

The fourth proportional to 311,478.22, 467,338.55 and 124,543.18 is: 186,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,478.22 : 467,338.55 = 124,543.18 : x
  2. Step 2: Convert to fraction form
    311,478.22/467,338.55 = 124,543.18/x
  3. Step 3: Cross multiply
    311,478.22x = 467,338.55 × 124,543.18
  4. Step 4: Simplify right side
    311,478.22x = 58,203,829,153.59
  5. Step 5: Solve for x
    x = 58,203,829,153.59/311,478.22
  6. Step 6: Final answer
    x = 186,863.24

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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.