Home / 218,193.12-327,440.34-143,349.12

Finding the Fourth Proportional to 218,193.12, 327,440.34 and 143,349.12

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Solution

The fourth proportional to 218,193.12, 327,440.34 and 143,349.12 is: 215,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,193.12 : 327,440.34 = 143,349.12 : x
  2. Step 2: Convert to fraction form
    218,193.12/327,440.34 = 143,349.12/x
  3. Step 3: Cross multiply
    218,193.12x = 327,440.34 × 143,349.12
  4. Step 4: Simplify right side
    218,193.12x = 46,938,284,591.50
  5. Step 5: Solve for x
    x = 46,938,284,591.50/218,193.12
  6. Step 6: Final answer
    x = 215,122.66

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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.