Home / 276,944.16-382,218.03-156,115.26

Finding the Fourth Proportional to 276,944.16, 382,218.03 and 156,115.26

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Solution

The fourth proportional to 276,944.16, 382,218.03 and 156,115.26 is: 215,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,944.16 : 382,218.03 = 156,115.26 : x
  2. Step 2: Convert to fraction form
    276,944.16/382,218.03 = 156,115.26/x
  3. Step 3: Cross multiply
    276,944.16x = 382,218.03 × 156,115.26
  4. Step 4: Simplify right side
    276,944.16x = 59,670,067,130.14
  5. Step 5: Solve for x
    x = 59,670,067,130.14/276,944.16
  6. Step 6: Final answer
    x = 215,458.84

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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.