Home / 276,822.39-382,013.16-156,002.46

Finding the Fourth Proportional to 276,822.39, 382,013.16 and 156,002.46

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Solution

The fourth proportional to 276,822.39, 382,013.16 and 156,002.46 is: 215,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,822.39 : 382,013.16 = 156,002.46 : x
  2. Step 2: Convert to fraction form
    276,822.39/382,013.16 = 156,002.46/x
  3. Step 3: Cross multiply
    276,822.39x = 382,013.16 × 156,002.46
  4. Step 4: Simplify right side
    276,822.39x = 59,594,992,712.37
  5. Step 5: Solve for x
    x = 59,594,992,712.37/276,822.39
  6. Step 6: Final answer
    x = 215,282.42

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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.