Home / 327,223.80-490,634.62-127,311.35

Finding the Fourth Proportional to 327,223.80, 490,634.62 and 127,311.35

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Solution

The fourth proportional to 327,223.80, 490,634.62 and 127,311.35 is: 190,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,223.80 : 490,634.62 = 127,311.35 : x
  2. Step 2: Convert to fraction form
    327,223.80/490,634.62 = 127,311.35/x
  3. Step 3: Cross multiply
    327,223.80x = 490,634.62 × 127,311.35
  4. Step 4: Simplify right side
    327,223.80x = 62,463,353,057.49
  5. Step 5: Solve for x
    x = 62,463,353,057.49/327,223.80
  6. Step 6: Final answer
    x = 190,888.78

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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.