Home / 269,987.49-372,580.97-149,136.57

Finding the Fourth Proportional to 269,987.49, 372,580.97 and 149,136.57

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Solution

The fourth proportional to 269,987.49, 372,580.97 and 149,136.57 is: 205,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,987.49 : 372,580.97 = 149,136.57 : x
  2. Step 2: Convert to fraction form
    269,987.49/372,580.97 = 149,136.57/x
  3. Step 3: Cross multiply
    269,987.49x = 372,580.97 × 149,136.57
  4. Step 4: Simplify right side
    269,987.49x = 55,565,447,167.39
  5. Step 5: Solve for x
    x = 55,565,447,167.39/269,987.49
  6. Step 6: Final answer
    x = 205,807.49

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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.