Home / 212,299.11-318,451.40-62,505.34

Finding the Fourth Proportional to 212,299.11, 318,451.40 and 62,505.34

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Solution

The fourth proportional to 212,299.11, 318,451.40 and 62,505.34 is: 93,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,299.11 : 318,451.40 = 62,505.34 : x
  2. Step 2: Convert to fraction form
    212,299.11/318,451.40 = 62,505.34/x
  3. Step 3: Cross multiply
    212,299.11x = 318,451.40 × 62,505.34
  4. Step 4: Simplify right side
    212,299.11x = 19,904,912,156.22
  5. Step 5: Solve for x
    x = 19,904,912,156.22/212,299.11
  6. Step 6: Final answer
    x = 93,758.81

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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.