Home / 212,279.33-318,422.24-54,504.29

Finding the Fourth Proportional to 212,279.33, 318,422.24 and 54,504.29

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Solution

The fourth proportional to 212,279.33, 318,422.24 and 54,504.29 is: 81,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,279.33 : 318,422.24 = 54,504.29 : x
  2. Step 2: Convert to fraction form
    212,279.33/318,422.24 = 54,504.29/x
  3. Step 3: Cross multiply
    212,279.33x = 318,422.24 × 54,504.29
  4. Step 4: Simplify right side
    212,279.33x = 17,355,378,634.94
  5. Step 5: Solve for x
    x = 17,355,378,634.94/212,279.33
  6. Step 6: Final answer
    x = 81,757.27

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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.