Home / 276,391.04-381,398.72-163,192

Finding the Fourth Proportional to 276,391.04, 381,398.72 and 163,192

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Solution

The fourth proportional to 276,391.04, 381,398.72 and 163,192 is: 225,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,391.04 : 381,398.72 = 163,192 : x
  2. Step 2: Convert to fraction form
    276,391.04/381,398.72 = 163,192/x
  3. Step 3: Cross multiply
    276,391.04x = 381,398.72 × 163,192
  4. Step 4: Simplify right side
    276,391.04x = 62,241,219,914.24
  5. Step 5: Solve for x
    x = 62,241,219,914.24/276,391.04
  6. Step 6: Final answer
    x = 225,192.61

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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.