Home / 331,316.40-496,974.60-229,839.60

Finding the Fourth Proportional to 331,316.40, 496,974.60 and 229,839.60

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Solution

The fourth proportional to 331,316.40, 496,974.60 and 229,839.60 is: 344,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,316.40 : 496,974.60 = 229,839.60 : x
  2. Step 2: Convert to fraction form
    331,316.40/496,974.60 = 229,839.60/x
  3. Step 3: Cross multiply
    331,316.40x = 496,974.60 × 229,839.60
  4. Step 4: Simplify right side
    331,316.40x = 114,224,443,274.16
  5. Step 5: Solve for x
    x = 114,224,443,274.16/331,316.40
  6. Step 6: Final answer
    x = 344,759.40

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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.