Home / 491,187.30-677,837.32-276,327.30

Finding the Fourth Proportional to 491,187.30, 677,837.32 and 276,327.30

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Solution

The fourth proportional to 491,187.30, 677,837.32 and 276,327.30 is: 381,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,187.30 : 677,837.32 = 276,327.30 : x
  2. Step 2: Convert to fraction form
    491,187.30/677,837.32 = 276,327.30/x
  3. Step 3: Cross multiply
    491,187.30x = 677,837.32 × 276,327.30
  4. Step 4: Simplify right side
    491,187.30x = 187,304,956,474.84
  5. Step 5: Solve for x
    x = 187,304,956,474.84/491,187.30
  6. Step 6: Final answer
    x = 381,331.02

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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.