Home / 276,902.65-382,133.66-156,037.29

Finding the Fourth Proportional to 276,902.65, 382,133.66 and 156,037.29

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Solution

The fourth proportional to 276,902.65, 382,133.66 and 156,037.29 is: 215,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,902.65 : 382,133.66 = 156,037.29 : x
  2. Step 2: Convert to fraction form
    276,902.65/382,133.66 = 156,037.29/x
  3. Step 3: Cross multiply
    276,902.65x = 382,133.66 × 156,037.29
  4. Step 4: Simplify right side
    276,902.65x = 59,627,099,203.61
  5. Step 5: Solve for x
    x = 59,627,099,203.61/276,902.65
  6. Step 6: Final answer
    x = 215,335.96

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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.