Home / 268,927.68-371,129.04-148,077.84

Finding the Fourth Proportional to 268,927.68, 371,129.04 and 148,077.84

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Solution

The fourth proportional to 268,927.68, 371,129.04 and 148,077.84 is: 204,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,927.68 : 371,129.04 = 148,077.84 : x
  2. Step 2: Convert to fraction form
    268,927.68/371,129.04 = 148,077.84/x
  3. Step 3: Cross multiply
    268,927.68x = 371,129.04 × 148,077.84
  4. Step 4: Simplify right side
    268,927.68x = 54,955,986,604.47
  5. Step 5: Solve for x
    x = 54,955,986,604.47/268,927.68
  6. Step 6: Final answer
    x = 204,352.29

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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.