Home / 268,376.27-402,564.13-68,696.33

Finding the Fourth Proportional to 268,376.27, 402,564.13 and 68,696.33

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Solution

The fourth proportional to 268,376.27, 402,564.13 and 68,696.33 is: 103,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,376.27 : 402,564.13 = 68,696.33 : x
  2. Step 2: Convert to fraction form
    268,376.27/402,564.13 = 68,696.33/x
  3. Step 3: Cross multiply
    268,376.27x = 402,564.13 × 68,696.33
  4. Step 4: Simplify right side
    268,376.27x = 27,654,679,155.31
  5. Step 5: Solve for x
    x = 27,654,679,155.31/268,376.27
  6. Step 6: Final answer
    x = 103,044.43

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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.