Home / 276,720.72-381,903.30-169,362.24

Finding the Fourth Proportional to 276,720.72, 381,903.30 and 169,362.24

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Solution

The fourth proportional to 276,720.72, 381,903.30 and 169,362.24 is: 233,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,720.72 : 381,903.30 = 169,362.24 : x
  2. Step 2: Convert to fraction form
    276,720.72/381,903.30 = 169,362.24/x
  3. Step 3: Cross multiply
    276,720.72x = 381,903.30 × 169,362.24
  4. Step 4: Simplify right side
    276,720.72x = 64,679,998,351.39
  5. Step 5: Solve for x
    x = 64,679,998,351.39/276,720.72
  6. Step 6: Final answer
    x = 233,737.46

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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.