Home / 360,107.28-496,945.98-198,962.34

Finding the Fourth Proportional to 360,107.28, 496,945.98 and 198,962.34

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Solution

The fourth proportional to 360,107.28, 496,945.98 and 198,962.34 is: 274,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,107.28 : 496,945.98 = 198,962.34 : x
  2. Step 2: Convert to fraction form
    360,107.28/496,945.98 = 198,962.34/x
  3. Step 3: Cross multiply
    360,107.28x = 496,945.98 × 198,962.34
  4. Step 4: Simplify right side
    360,107.28x = 98,873,535,034.39
  5. Step 5: Solve for x
    x = 98,873,535,034.39/360,107.28
  6. Step 6: Final answer
    x = 274,566.89

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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.