Home / 400,398.12-552,549.44-219,110.04

Finding the Fourth Proportional to 400,398.12, 552,549.44 and 219,110.04

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Solution

The fourth proportional to 400,398.12, 552,549.44 and 219,110.04 is: 302,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,398.12 : 552,549.44 = 219,110.04 : x
  2. Step 2: Convert to fraction form
    400,398.12/552,549.44 = 219,110.04/x
  3. Step 3: Cross multiply
    400,398.12x = 552,549.44 × 219,110.04
  4. Step 4: Simplify right side
    400,398.12x = 121,069,126,042.08
  5. Step 5: Solve for x
    x = 121,069,126,042.08/400,398.12
  6. Step 6: Final answer
    x = 302,371.87

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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.