Home / 324,965.18-448,513.94-217,722.20

Finding the Fourth Proportional to 324,965.18, 448,513.94 and 217,722.20

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Solution

The fourth proportional to 324,965.18, 448,513.94 and 217,722.20 is: 300,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,965.18 : 448,513.94 = 217,722.20 : x
  2. Step 2: Convert to fraction form
    324,965.18/448,513.94 = 217,722.20/x
  3. Step 3: Cross multiply
    324,965.18x = 448,513.94 × 217,722.20
  4. Step 4: Simplify right side
    324,965.18x = 97,651,440,049.20
  5. Step 5: Solve for x
    x = 97,651,440,049.20/324,965.18
  6. Step 6: Final answer
    x = 300,498.16

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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.