Home / 268,894.04-371,073.70-149,690.20

Finding the Fourth Proportional to 268,894.04, 371,073.70 and 149,690.20

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Solution

The fourth proportional to 268,894.04, 371,073.70 and 149,690.20 is: 206,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,894.04 : 371,073.70 = 149,690.20 : x
  2. Step 2: Convert to fraction form
    268,894.04/371,073.70 = 149,690.20/x
  3. Step 3: Cross multiply
    268,894.04x = 371,073.70 × 149,690.20
  4. Step 4: Simplify right side
    268,894.04x = 55,546,096,367.74
  5. Step 5: Solve for x
    x = 55,546,096,367.74/268,894.04
  6. Step 6: Final answer
    x = 206,572.43

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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.