Home / 276,787.12-382,028.40-181,238.32

Finding the Fourth Proportional to 276,787.12, 382,028.40 and 181,238.32

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Solution

The fourth proportional to 276,787.12, 382,028.40 and 181,238.32 is: 250,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,787.12 : 382,028.40 = 181,238.32 : x
  2. Step 2: Convert to fraction form
    276,787.12/382,028.40 = 181,238.32/x
  3. Step 3: Cross multiply
    276,787.12x = 382,028.40 × 181,238.32
  4. Step 4: Simplify right side
    276,787.12x = 69,238,185,408.29
  5. Step 5: Solve for x
    x = 69,238,185,408.29/276,787.12
  6. Step 6: Final answer
    x = 250,149.59

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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.