Home / 400,472.62-552,629.73-219,184.18

Finding the Fourth Proportional to 400,472.62, 552,629.73 and 219,184.18

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Solution

The fourth proportional to 400,472.62, 552,629.73 and 219,184.18 is: 302,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,472.62 : 552,629.73 = 219,184.18 : x
  2. Step 2: Convert to fraction form
    400,472.62/552,629.73 = 219,184.18/x
  3. Step 3: Cross multiply
    400,472.62x = 552,629.73 × 219,184.18
  4. Step 4: Simplify right side
    400,472.62x = 121,127,694,213.67
  5. Step 5: Solve for x
    x = 121,127,694,213.67/400,472.62
  6. Step 6: Final answer
    x = 302,461.86

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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.