Home / 344,279.32-516,302.88-130,996.60

Finding the Fourth Proportional to 344,279.32, 516,302.88 and 130,996.60

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Solution

The fourth proportional to 344,279.32, 516,302.88 and 130,996.60 is: 196,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,279.32 : 516,302.88 = 130,996.60 : x
  2. Step 2: Convert to fraction form
    344,279.32/516,302.88 = 130,996.60/x
  3. Step 3: Cross multiply
    344,279.32x = 516,302.88 × 130,996.60
  4. Step 4: Simplify right side
    344,279.32x = 67,633,921,850.21
  5. Step 5: Solve for x
    x = 67,633,921,850.21/344,279.32
  6. Step 6: Final answer
    x = 196,450.72

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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.