Home / 274,864.64-379,305.28-160,168.64

Finding the Fourth Proportional to 274,864.64, 379,305.28 and 160,168.64

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Solution

The fourth proportional to 274,864.64, 379,305.28 and 160,168.64 is: 221,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,864.64 : 379,305.28 = 160,168.64 : x
  2. Step 2: Convert to fraction form
    274,864.64/379,305.28 = 160,168.64/x
  3. Step 3: Cross multiply
    274,864.64x = 379,305.28 × 160,168.64
  4. Step 4: Simplify right side
    274,864.64x = 60,752,810,842.42
  5. Step 5: Solve for x
    x = 60,752,810,842.42/274,864.64
  6. Step 6: Final answer
    x = 221,028.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.