Home / 491,168.10-677,757.06-276,303.72

Finding the Fourth Proportional to 491,168.10, 677,757.06 and 276,303.72

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Solution

The fourth proportional to 491,168.10, 677,757.06 and 276,303.72 is: 381,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,168.10 : 677,757.06 = 276,303.72 : x
  2. Step 2: Convert to fraction form
    491,168.10/677,757.06 = 276,303.72/x
  3. Step 3: Cross multiply
    491,168.10x = 677,757.06 × 276,303.72
  4. Step 4: Simplify right side
    491,168.10x = 187,266,796,934.26
  5. Step 5: Solve for x
    x = 187,266,796,934.26/491,168.10
  6. Step 6: Final answer
    x = 381,268.24

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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.