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Finding the Fourth Proportional to 220,855, 304,781.31 and 125,363.29

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Solution

The fourth proportional to 220,855, 304,781.31 and 125,363.29 is: 173,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,855 : 304,781.31 = 125,363.29 : x
  2. Step 2: Convert to fraction form
    220,855/304,781.31 = 125,363.29/x
  3. Step 3: Cross multiply
    220,855x = 304,781.31 × 125,363.29
  4. Step 4: Simplify right side
    220,855x = 38,208,387,752.11
  5. Step 5: Solve for x
    x = 38,208,387,752.11/220,855
  6. Step 6: Final answer
    x = 173,002.14

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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.