Home / 276,524.16-381,399.60-208,543.96

Finding the Fourth Proportional to 276,524.16, 381,399.60 and 208,543.96

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Solution

The fourth proportional to 276,524.16, 381,399.60 and 208,543.96 is: 287,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,524.16 : 381,399.60 = 208,543.96 : x
  2. Step 2: Convert to fraction form
    276,524.16/381,399.60 = 208,543.96/x
  3. Step 3: Cross multiply
    276,524.16x = 381,399.60 × 208,543.96
  4. Step 4: Simplify right side
    276,524.16x = 79,538,582,926.42
  5. Step 5: Solve for x
    x = 79,538,582,926.42/276,524.16
  6. Step 6: Final answer
    x = 287,637.01

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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.