Home / 274,857.46-379,135.64-181,722.86

Finding the Fourth Proportional to 274,857.46, 379,135.64 and 181,722.86

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Solution

The fourth proportional to 274,857.46, 379,135.64 and 181,722.86 is: 250,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,857.46 : 379,135.64 = 181,722.86 : x
  2. Step 2: Convert to fraction form
    274,857.46/379,135.64 = 181,722.86/x
  3. Step 3: Cross multiply
    274,857.46x = 379,135.64 × 181,722.86
  4. Step 4: Simplify right side
    274,857.46x = 68,897,612,828.73
  5. Step 5: Solve for x
    x = 68,897,612,828.73/274,857.46
  6. Step 6: Final answer
    x = 250,666.70

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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.