Home / 360,125.47-496,972.11-198,979.36

Finding the Fourth Proportional to 360,125.47, 496,972.11 and 198,979.36

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Solution

The fourth proportional to 360,125.47, 496,972.11 and 198,979.36 is: 274,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,125.47 : 496,972.11 = 198,979.36 : x
  2. Step 2: Convert to fraction form
    360,125.47/496,972.11 = 198,979.36/x
  3. Step 3: Cross multiply
    360,125.47x = 496,972.11 × 198,979.36
  4. Step 4: Simplify right side
    360,125.47x = 98,887,194,684.86
  5. Step 5: Solve for x
    x = 98,887,194,684.86/360,125.47
  6. Step 6: Final answer
    x = 274,590.95

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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.