Home / 269,279.10-403,937.85-82,290.30

Finding the Fourth Proportional to 269,279.10, 403,937.85 and 82,290.30

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Solution

The fourth proportional to 269,279.10, 403,937.85 and 82,290.30 is: 123,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,279.10 : 403,937.85 = 82,290.30 : x
  2. Step 2: Convert to fraction form
    269,279.10/403,937.85 = 82,290.30/x
  3. Step 3: Cross multiply
    269,279.10x = 403,937.85 × 82,290.30
  4. Step 4: Simplify right side
    269,279.10x = 33,240,166,857.86
  5. Step 5: Solve for x
    x = 33,240,166,857.86/269,279.10
  6. Step 6: Final answer
    x = 123,441.32

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1.5x scale

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.