Home / 360,101.16-496,949.85-198,966.78

Finding the Fourth Proportional to 360,101.16, 496,949.85 and 198,966.78

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Solution

The fourth proportional to 360,101.16, 496,949.85 and 198,966.78 is: 274,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,101.16 : 496,949.85 = 198,966.78 : x
  2. Step 2: Convert to fraction form
    360,101.16/496,949.85 = 198,966.78/x
  3. Step 3: Cross multiply
    360,101.16x = 496,949.85 × 198,966.78
  4. Step 4: Simplify right side
    360,101.16x = 98,876,511,475.98
  5. Step 5: Solve for x
    x = 98,876,511,475.98/360,101.16
  6. Step 6: Final answer
    x = 274,579.82

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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.