Home / 268,900.89-371,069.15-148,018.57

Finding the Fourth Proportional to 268,900.89, 371,069.15 and 148,018.57

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Solution

The fourth proportional to 268,900.89, 371,069.15 and 148,018.57 is: 204,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,900.89 : 371,069.15 = 148,018.57 : x
  2. Step 2: Convert to fraction form
    268,900.89/371,069.15 = 148,018.57/x
  3. Step 3: Cross multiply
    268,900.89x = 371,069.15 × 148,018.57
  4. Step 4: Simplify right side
    268,900.89x = 54,925,122,358.68
  5. Step 5: Solve for x
    x = 54,925,122,358.68/268,900.89
  6. Step 6: Final answer
    x = 204,257.87

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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.