Home / 269,203.92-403,705.33-89,256.35

Finding the Fourth Proportional to 269,203.92, 403,705.33 and 89,256.35

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Solution

The fourth proportional to 269,203.92, 403,705.33 and 89,256.35 is: 133,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,203.92 : 403,705.33 = 89,256.35 : x
  2. Step 2: Convert to fraction form
    269,203.92/403,705.33 = 89,256.35/x
  3. Step 3: Cross multiply
    269,203.92x = 403,705.33 × 89,256.35
  4. Step 4: Simplify right side
    269,203.92x = 36,033,261,989.68
  5. Step 5: Solve for x
    x = 36,033,261,989.68/269,203.92
  6. Step 6: Final answer
    x = 133,851.18

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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.