Home / 212,308.44-318,462.65-54,537.04

Finding the Fourth Proportional to 212,308.44, 318,462.65 and 54,537.04

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Solution

The fourth proportional to 212,308.44, 318,462.65 and 54,537.04 is: 81,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,308.44 : 318,462.65 = 54,537.04 : x
  2. Step 2: Convert to fraction form
    212,308.44/318,462.65 = 54,537.04/x
  3. Step 3: Cross multiply
    212,308.44x = 318,462.65 × 54,537.04
  4. Step 4: Simplify right side
    212,308.44x = 17,368,010,281.56
  5. Step 5: Solve for x
    x = 17,368,010,281.56/212,308.44
  6. Step 6: Final answer
    x = 81,805.56

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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.