Home / 327,717.27-491,075.10-220,705.50

Finding the Fourth Proportional to 327,717.27, 491,075.10 and 220,705.50

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Solution

The fourth proportional to 327,717.27, 491,075.10 and 220,705.50 is: 330,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,717.27 : 491,075.10 = 220,705.50 : x
  2. Step 2: Convert to fraction form
    327,717.27/491,075.10 = 220,705.50/x
  3. Step 3: Cross multiply
    327,717.27x = 491,075.10 × 220,705.50
  4. Step 4: Simplify right side
    327,717.27x = 108,382,975,483.05
  5. Step 5: Solve for x
    x = 108,382,975,483.05/327,717.27
  6. Step 6: Final answer
    x = 330,720.98

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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.