Home / 269,434.20-404,112.90-91,949.40

Finding the Fourth Proportional to 269,434.20, 404,112.90 and 91,949.40

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Solution

The fourth proportional to 269,434.20, 404,112.90 and 91,949.40 is: 137,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,434.20 : 404,112.90 = 91,949.40 : x
  2. Step 2: Convert to fraction form
    269,434.20/404,112.90 = 91,949.40/x
  3. Step 3: Cross multiply
    269,434.20x = 404,112.90 × 91,949.40
  4. Step 4: Simplify right side
    269,434.20x = 37,157,938,687.26
  5. Step 5: Solve for x
    x = 37,157,938,687.26/269,434.20
  6. Step 6: Final answer
    x = 137,911.00

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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.