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Finding the Fourth Proportional to 220,802.41, 331,202.80 and 54,590.41

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Solution

The fourth proportional to 220,802.41, 331,202.80 and 54,590.41 is: 81,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,802.41 : 331,202.80 = 54,590.41 : x
  2. Step 2: Convert to fraction form
    220,802.41/331,202.80 = 54,590.41/x
  3. Step 3: Cross multiply
    220,802.41x = 331,202.80 × 54,590.41
  4. Step 4: Simplify right side
    220,802.41x = 18,080,496,645.15
  5. Step 5: Solve for x
    x = 18,080,496,645.15/220,802.41
  6. Step 6: Final answer
    x = 81,885.41

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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.