Home / 268,319.14-402,492.49-68,641.25

Finding the Fourth Proportional to 268,319.14, 402,492.49 and 68,641.25

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Solution

The fourth proportional to 268,319.14, 402,492.49 and 68,641.25 is: 102,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,319.14 : 402,492.49 = 68,641.25 : x
  2. Step 2: Convert to fraction form
    268,319.14/402,492.49 = 68,641.25/x
  3. Step 3: Cross multiply
    268,319.14x = 402,492.49 × 68,641.25
  4. Step 4: Simplify right side
    268,319.14x = 27,627,585,445.15
  5. Step 5: Solve for x
    x = 27,627,585,445.15/268,319.14
  6. Step 6: Final answer
    x = 102,965.39

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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.