Home / 400,519.28-552,717.43-219,242.79

Finding the Fourth Proportional to 400,519.28, 552,717.43 and 219,242.79

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Solution

The fourth proportional to 400,519.28, 552,717.43 and 219,242.79 is: 302,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,519.28 : 552,717.43 = 219,242.79 : x
  2. Step 2: Convert to fraction form
    400,519.28/552,717.43 = 219,242.79/x
  3. Step 3: Cross multiply
    400,519.28x = 552,717.43 × 219,242.79
  4. Step 4: Simplify right side
    400,519.28x = 121,179,310,886.72
  5. Step 5: Solve for x
    x = 121,179,310,886.72/400,519.28
  6. Step 6: Final answer
    x = 302,555.50

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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.