Home / 269,081.42-371,330.60-148,219.90

Finding the Fourth Proportional to 269,081.42, 371,330.60 and 148,219.90

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Solution

The fourth proportional to 269,081.42, 371,330.60 and 148,219.90 is: 204,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,081.42 : 371,330.60 = 148,219.90 : x
  2. Step 2: Convert to fraction form
    269,081.42/371,330.60 = 148,219.90/x
  3. Step 3: Cross multiply
    269,081.42x = 371,330.60 × 148,219.90
  4. Step 4: Simplify right side
    269,081.42x = 55,038,582,729.51
  5. Step 5: Solve for x
    x = 55,038,582,729.51/269,081.42
  6. Step 6: Final answer
    x = 204,542.49

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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.