Home / 269,877.60-404,168.40-144,943.20

Finding the Fourth Proportional to 269,877.60, 404,168.40 and 144,943.20

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Solution

The fourth proportional to 269,877.60, 404,168.40 and 144,943.20 is: 217,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,877.60 : 404,168.40 = 144,943.20 : x
  2. Step 2: Convert to fraction form
    269,877.60/404,168.40 = 144,943.20/x
  3. Step 3: Cross multiply
    269,877.60x = 404,168.40 × 144,943.20
  4. Step 4: Simplify right side
    269,877.60x = 58,581,461,234.88
  5. Step 5: Solve for x
    x = 58,581,461,234.88/269,877.60
  6. Step 6: Final answer
    x = 217,066.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.