Home / 212,250.07-318,375.11-62,490.39

Finding the Fourth Proportional to 212,250.07, 318,375.11 and 62,490.39

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Solution

The fourth proportional to 212,250.07, 318,375.11 and 62,490.39 is: 93,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,250.07 : 318,375.11 = 62,490.39 : x
  2. Step 2: Convert to fraction form
    212,250.07/318,375.11 = 62,490.39/x
  3. Step 3: Cross multiply
    212,250.07x = 318,375.11 × 62,490.39
  4. Step 4: Simplify right side
    212,250.07x = 19,895,384,790.19
  5. Step 5: Solve for x
    x = 19,895,384,790.19/212,250.07
  6. Step 6: Final answer
    x = 93,735.59

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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.