Home / 268,290.16-402,433.80-68,610.22

Finding the Fourth Proportional to 268,290.16, 402,433.80 and 68,610.22

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Solution

The fourth proportional to 268,290.16, 402,433.80 and 68,610.22 is: 102,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,290.16 : 402,433.80 = 68,610.22 : x
  2. Step 2: Convert to fraction form
    268,290.16/402,433.80 = 68,610.22/x
  3. Step 3: Cross multiply
    268,290.16x = 402,433.80 × 68,610.22
  4. Step 4: Simplify right side
    268,290.16x = 27,611,071,553.44
  5. Step 5: Solve for x
    x = 27,611,071,553.44/268,290.16
  6. Step 6: Final answer
    x = 102,914.96

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1.5x scale

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.