Home / 268,920.66-402,936.90-156,284.58

Finding the Fourth Proportional to 268,920.66, 402,936.90 and 156,284.58

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Solution

The fourth proportional to 268,920.66, 402,936.90 and 156,284.58 is: 234,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,920.66 : 402,936.90 = 156,284.58 : x
  2. Step 2: Convert to fraction form
    268,920.66/402,936.90 = 156,284.58/x
  3. Step 3: Cross multiply
    268,920.66x = 402,936.90 × 156,284.58
  4. Step 4: Simplify right side
    268,920.66x = 62,972,824,183.00
  5. Step 5: Solve for x
    x = 62,972,824,183.00/268,920.66
  6. Step 6: Final answer
    x = 234,168.78

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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.