Home / 269,325.10-403,987.65-257,077.90

Finding the Fourth Proportional to 269,325.10, 403,987.65 and 257,077.90

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Solution

The fourth proportional to 269,325.10, 403,987.65 and 257,077.90 is: 385,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,325.10 : 403,987.65 = 257,077.90 : x
  2. Step 2: Convert to fraction form
    269,325.10/403,987.65 = 257,077.90/x
  3. Step 3: Cross multiply
    269,325.10x = 403,987.65 × 257,077.90
  4. Step 4: Simplify right side
    269,325.10x = 103,856,296,687.94
  5. Step 5: Solve for x
    x = 103,856,296,687.94/269,325.10
  6. Step 6: Final answer
    x = 385,616.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.