Home / 269,349.48-403,985.34-82,310.76

Finding the Fourth Proportional to 269,349.48, 403,985.34 and 82,310.76

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Solution

The fourth proportional to 269,349.48, 403,985.34 and 82,310.76 is: 123,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,349.48 : 403,985.34 = 82,310.76 : x
  2. Step 2: Convert to fraction form
    269,349.48/403,985.34 = 82,310.76/x
  3. Step 3: Cross multiply
    269,349.48x = 403,985.34 × 82,310.76
  4. Step 4: Simplify right side
    269,349.48x = 33,252,340,364.26
  5. Step 5: Solve for x
    x = 33,252,340,364.26/269,349.48
  6. Step 6: Final answer
    x = 123,454.26

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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.