Home / 268,319.07-402,492.39-68,641.19

Finding the Fourth Proportional to 268,319.07, 402,492.39 and 68,641.19

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Solution

The fourth proportional to 268,319.07, 402,492.39 and 68,641.19 is: 102,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,319.07 : 402,492.39 = 68,641.19 : x
  2. Step 2: Convert to fraction form
    268,319.07/402,492.39 = 68,641.19/x
  3. Step 3: Cross multiply
    268,319.07x = 402,492.39 × 68,641.19
  4. Step 4: Simplify right side
    268,319.07x = 27,627,554,259.88
  5. Step 5: Solve for x
    x = 27,627,554,259.88/268,319.07
  6. Step 6: Final answer
    x = 102,965.30

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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.