Home / 400,224.78-552,323.38-218,932.56

Finding the Fourth Proportional to 400,224.78, 552,323.38 and 218,932.56

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Solution

The fourth proportional to 400,224.78, 552,323.38 and 218,932.56 is: 302,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,224.78 : 552,323.38 = 218,932.56 : x
  2. Step 2: Convert to fraction form
    400,224.78/552,323.38 = 218,932.56/x
  3. Step 3: Cross multiply
    400,224.78x = 552,323.38 × 218,932.56
  4. Step 4: Simplify right side
    400,224.78x = 120,921,571,531.25
  5. Step 5: Solve for x
    x = 120,921,571,531.25/400,224.78
  6. Step 6: Final answer
    x = 302,134.14

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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.