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Finding the Fourth Proportional to 220,428.04, 304,194.04 and 123,653.36

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Solution

The fourth proportional to 220,428.04, 304,194.04 and 123,653.36 is: 170,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,428.04 : 304,194.04 = 123,653.36 : x
  2. Step 2: Convert to fraction form
    220,428.04/304,194.04 = 123,653.36/x
  3. Step 3: Cross multiply
    220,428.04x = 304,194.04 × 123,653.36
  4. Step 4: Simplify right side
    220,428.04x = 37,614,615,137.97
  5. Step 5: Solve for x
    x = 37,614,615,137.97/220,428.04
  6. Step 6: Final answer
    x = 170,643.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.