Home / 400,664.20-552,899.48-219,372.84

Finding the Fourth Proportional to 400,664.20, 552,899.48 and 219,372.84

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Solution

The fourth proportional to 400,664.20, 552,899.48 and 219,372.84 is: 302,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,664.20 : 552,899.48 = 219,372.84 : x
  2. Step 2: Convert to fraction form
    400,664.20/552,899.48 = 219,372.84/x
  3. Step 3: Cross multiply
    400,664.20x = 552,899.48 × 219,372.84
  4. Step 4: Simplify right side
    400,664.20x = 121,291,129,162.12
  5. Step 5: Solve for x
    x = 121,291,129,162.12/400,664.20
  6. Step 6: Final answer
    x = 302,725.15

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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.