Home / 327,140.14-490,672.24-90,501.28

Finding the Fourth Proportional to 327,140.14, 490,672.24 and 90,501.28

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Solution

The fourth proportional to 327,140.14, 490,672.24 and 90,501.28 is: 135,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,140.14 : 490,672.24 = 90,501.28 : x
  2. Step 2: Convert to fraction form
    327,140.14/490,672.24 = 90,501.28/x
  3. Step 3: Cross multiply
    327,140.14x = 490,672.24 × 90,501.28
  4. Step 4: Simplify right side
    327,140.14x = 44,406,465,780.47
  5. Step 5: Solve for x
    x = 44,406,465,780.47/327,140.14
  6. Step 6: Final answer
    x = 135,741.42

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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.