Home / 274,899.08-412,507.20-148,539.68

Finding the Fourth Proportional to 274,899.08, 412,507.20 and 148,539.68

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Solution

The fourth proportional to 274,899.08, 412,507.20 and 148,539.68 is: 222,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,899.08 : 412,507.20 = 148,539.68 : x
  2. Step 2: Convert to fraction form
    274,899.08/412,507.20 = 148,539.68/x
  3. Step 3: Cross multiply
    274,899.08x = 412,507.20 × 148,539.68
  4. Step 4: Simplify right side
    274,899.08x = 61,273,687,485.70
  5. Step 5: Solve for x
    x = 61,273,687,485.70/274,899.08
  6. Step 6: Final answer
    x = 222,895.21

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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.