Home / 297,748.66-446,371.94-129,142.06

Finding the Fourth Proportional to 297,748.66, 446,371.94 and 129,142.06

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Solution

The fourth proportional to 297,748.66, 446,371.94 and 129,142.06 is: 193,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,748.66 : 446,371.94 = 129,142.06 : x
  2. Step 2: Convert to fraction form
    297,748.66/446,371.94 = 129,142.06/x
  3. Step 3: Cross multiply
    297,748.66x = 446,371.94 × 129,142.06
  4. Step 4: Simplify right side
    297,748.66x = 57,645,391,857.80
  5. Step 5: Solve for x
    x = 57,645,391,857.80/297,748.66
  6. Step 6: Final answer
    x = 193,604.20

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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.