Home / 218,040.90-327,061.35-143,391.30

Finding the Fourth Proportional to 218,040.90, 327,061.35 and 143,391.30

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Solution

The fourth proportional to 218,040.90, 327,061.35 and 143,391.30 is: 215,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,040.90 : 327,061.35 = 143,391.30 : x
  2. Step 2: Convert to fraction form
    218,040.90/327,061.35 = 143,391.30/x
  3. Step 3: Cross multiply
    218,040.90x = 327,061.35 × 143,391.30
  4. Step 4: Simplify right side
    218,040.90x = 46,897,752,156.26
  5. Step 5: Solve for x
    x = 46,897,752,156.26/218,040.90
  6. Step 6: Final answer
    x = 215,086.95

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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.