Home / 327,001.36-490,497.18-90,338.80

Finding the Fourth Proportional to 327,001.36, 490,497.18 and 90,338.80

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Solution

The fourth proportional to 327,001.36, 490,497.18 and 90,338.80 is: 135,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,001.36 : 490,497.18 = 90,338.80 : x
  2. Step 2: Convert to fraction form
    327,001.36/490,497.18 = 90,338.80/x
  3. Step 3: Cross multiply
    327,001.36x = 490,497.18 × 90,338.80
  4. Step 4: Simplify right side
    327,001.36x = 44,310,926,644.58
  5. Step 5: Solve for x
    x = 44,310,926,644.58/327,001.36
  6. Step 6: Final answer
    x = 135,506.86

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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.