Home / 327,121.09-490,681.46-102,499.18

Finding the Fourth Proportional to 327,121.09, 490,681.46 and 102,499.18

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Solution

The fourth proportional to 327,121.09, 490,681.46 and 102,499.18 is: 153,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,121.09 : 490,681.46 = 102,499.18 : x
  2. Step 2: Convert to fraction form
    327,121.09/490,681.46 = 102,499.18/x
  3. Step 3: Cross multiply
    327,121.09x = 490,681.46 × 102,499.18
  4. Step 4: Simplify right side
    327,121.09x = 50,294,445,552.00
  5. Step 5: Solve for x
    x = 50,294,445,552.00/327,121.09
  6. Step 6: Final answer
    x = 153,748.71

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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.