Home / 268,899.48-371,074.50-148,039.56

Finding the Fourth Proportional to 268,899.48, 371,074.50 and 148,039.56

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Solution

The fourth proportional to 268,899.48, 371,074.50 and 148,039.56 is: 204,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,899.48 : 371,074.50 = 148,039.56 : x
  2. Step 2: Convert to fraction form
    268,899.48/371,074.50 = 148,039.56/x
  3. Step 3: Cross multiply
    268,899.48x = 371,074.50 × 148,039.56
  4. Step 4: Simplify right side
    268,899.48x = 54,933,705,707.22
  5. Step 5: Solve for x
    x = 54,933,705,707.22/268,899.48
  6. Step 6: Final answer
    x = 204,290.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.