Home / 400,649.06-552,895.76-219,372.68

Finding the Fourth Proportional to 400,649.06, 552,895.76 and 219,372.68

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Solution

The fourth proportional to 400,649.06, 552,895.76 and 219,372.68 is: 302,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,649.06 : 552,895.76 = 219,372.68 : x
  2. Step 2: Convert to fraction form
    400,649.06/552,895.76 = 219,372.68/x
  3. Step 3: Cross multiply
    400,649.06x = 552,895.76 × 219,372.68
  4. Step 4: Simplify right side
    400,649.06x = 121,290,224,631.84
  5. Step 5: Solve for x
    x = 121,290,224,631.84/400,649.06
  6. Step 6: Final answer
    x = 302,734.33

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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.