Home / 220,515.78-304,371.26-144,033.25

Finding the Fourth Proportional to 220,515.78, 304,371.26 and 144,033.25

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Solution

The fourth proportional to 220,515.78, 304,371.26 and 144,033.25 is: 198,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,515.78 : 304,371.26 = 144,033.25 : x
  2. Step 2: Convert to fraction form
    220,515.78/304,371.26 = 144,033.25/x
  3. Step 3: Cross multiply
    220,515.78x = 304,371.26 × 144,033.25
  4. Step 4: Simplify right side
    220,515.78x = 43,839,581,784.40
  5. Step 5: Solve for x
    x = 43,839,581,784.40/220,515.78
  6. Step 6: Final answer
    x = 198,804.74

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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.