Home / 276,098.86-380,076.14-204,343.66

Finding the Fourth Proportional to 276,098.86, 380,076.14 and 204,343.66

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Solution

The fourth proportional to 276,098.86, 380,076.14 and 204,343.66 is: 281,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,098.86 : 380,076.14 = 204,343.66 : x
  2. Step 2: Convert to fraction form
    276,098.86/380,076.14 = 204,343.66/x
  3. Step 3: Cross multiply
    276,098.86x = 380,076.14 × 204,343.66
  4. Step 4: Simplify right side
    276,098.86x = 77,666,149,526.27
  5. Step 5: Solve for x
    x = 77,666,149,526.27/276,098.86
  6. Step 6: Final answer
    x = 281,298.33

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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.