Home / 212,174.28-318,306.03-62,402.04

Finding the Fourth Proportional to 212,174.28, 318,306.03 and 62,402.04

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Solution

The fourth proportional to 212,174.28, 318,306.03 and 62,402.04 is: 93,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,174.28 : 318,306.03 = 62,402.04 : x
  2. Step 2: Convert to fraction form
    212,174.28/318,306.03 = 62,402.04/x
  3. Step 3: Cross multiply
    212,174.28x = 318,306.03 × 62,402.04
  4. Step 4: Simplify right side
    212,174.28x = 19,862,945,616.30
  5. Step 5: Solve for x
    x = 19,862,945,616.30/212,174.28
  6. Step 6: Final answer
    x = 93,616.18

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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.