Home / 400,565.82-552,759.48-219,242.61

Finding the Fourth Proportional to 400,565.82, 552,759.48 and 219,242.61

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Solution

The fourth proportional to 400,565.82, 552,759.48 and 219,242.61 is: 302,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,565.82 : 552,759.48 = 219,242.61 : x
  2. Step 2: Convert to fraction form
    400,565.82/552,759.48 = 219,242.61/x
  3. Step 3: Cross multiply
    400,565.82x = 552,759.48 × 219,242.61
  4. Step 4: Simplify right side
    400,565.82x = 121,188,431,097.44
  5. Step 5: Solve for x
    x = 121,188,431,097.44/400,565.82
  6. Step 6: Final answer
    x = 302,543.12

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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.