Home / 276,526.89-381,614.37-155,672.61

Finding the Fourth Proportional to 276,526.89, 381,614.37 and 155,672.61

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Solution

The fourth proportional to 276,526.89, 381,614.37 and 155,672.61 is: 214,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,526.89 : 381,614.37 = 155,672.61 : x
  2. Step 2: Convert to fraction form
    276,526.89/381,614.37 = 155,672.61/x
  3. Step 3: Cross multiply
    276,526.89x = 381,614.37 × 155,672.61
  4. Step 4: Simplify right side
    276,526.89x = 59,406,904,991.41
  5. Step 5: Solve for x
    x = 59,406,904,991.41/276,526.89
  6. Step 6: Final answer
    x = 214,832.29

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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.