Home / 220,119.30-329,304.15-190,862.10

Finding the Fourth Proportional to 220,119.30, 329,304.15 and 190,862.10

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Solution

The fourth proportional to 220,119.30, 329,304.15 and 190,862.10 is: 285,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,119.30 : 329,304.15 = 190,862.10 : x
  2. Step 2: Convert to fraction form
    220,119.30/329,304.15 = 190,862.10/x
  3. Step 3: Cross multiply
    220,119.30x = 329,304.15 × 190,862.10
  4. Step 4: Simplify right side
    220,119.30x = 62,851,681,607.72
  5. Step 5: Solve for x
    x = 62,851,681,607.72/220,119.30
  6. Step 6: Final answer
    x = 285,534.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.