Home / 269,180.20-403,770.30-91,887.40

Finding the Fourth Proportional to 269,180.20, 403,770.30 and 91,887.40

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Solution

The fourth proportional to 269,180.20, 403,770.30 and 91,887.40 is: 137,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,180.20 : 403,770.30 = 91,887.40 : x
  2. Step 2: Convert to fraction form
    269,180.20/403,770.30 = 91,887.40/x
  3. Step 3: Cross multiply
    269,180.20x = 403,770.30 × 91,887.40
  4. Step 4: Simplify right side
    269,180.20x = 37,101,403,064.22
  5. Step 5: Solve for x
    x = 37,101,403,064.22/269,180.20
  6. Step 6: Final answer
    x = 137,831.10

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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.