Home / 320,246.03-441,764.62-205,396.90

Finding the Fourth Proportional to 320,246.03, 441,764.62 and 205,396.90

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Solution

The fourth proportional to 320,246.03, 441,764.62 and 205,396.90 is: 283,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,246.03 : 441,764.62 = 205,396.90 : x
  2. Step 2: Convert to fraction form
    320,246.03/441,764.62 = 205,396.90/x
  3. Step 3: Cross multiply
    320,246.03x = 441,764.62 × 205,396.90
  4. Step 4: Simplify right side
    320,246.03x = 90,737,081,859.77
  5. Step 5: Solve for x
    x = 90,737,081,859.77/320,246.03
  6. Step 6: Final answer
    x = 283,335.54

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1.5x scale

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.