Home / 240,008.90-330,633.17-205,443.36

Finding the Fourth Proportional to 240,008.90, 330,633.17 and 205,443.36

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Solution

The fourth proportional to 240,008.90, 330,633.17 and 205,443.36 is: 283,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,008.90 : 330,633.17 = 205,443.36 : x
  2. Step 2: Convert to fraction form
    240,008.90/330,633.17 = 205,443.36/x
  3. Step 3: Cross multiply
    240,008.90x = 330,633.17 × 205,443.36
  4. Step 4: Simplify right side
    240,008.90x = 67,926,389,467.54
  5. Step 5: Solve for x
    x = 67,926,389,467.54/240,008.90
  6. Step 6: Final answer
    x = 283,016.13

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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.