Home / 327,084.21-490,816.67-137,530.85

Finding the Fourth Proportional to 327,084.21, 490,816.67 and 137,530.85

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Solution

The fourth proportional to 327,084.21, 490,816.67 and 137,530.85 is: 206,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,084.21 : 490,816.67 = 137,530.85 : x
  2. Step 2: Convert to fraction form
    327,084.21/490,816.67 = 137,530.85/x
  3. Step 3: Cross multiply
    327,084.21x = 490,816.67 × 137,530.85
  4. Step 4: Simplify right side
    327,084.21x = 67,502,430,677.53
  5. Step 5: Solve for x
    x = 67,502,430,677.53/327,084.21
  6. Step 6: Final answer
    x = 206,376.30

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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.