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Finding the Fourth Proportional to 220,578.19, 330,867.32 and 54,366.19

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Solution

The fourth proportional to 220,578.19, 330,867.32 and 54,366.19 is: 81,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,578.19 : 330,867.32 = 54,366.19 : x
  2. Step 2: Convert to fraction form
    220,578.19/330,867.32 = 54,366.19/x
  3. Step 3: Cross multiply
    220,578.19x = 330,867.32 × 54,366.19
  4. Step 4: Simplify right side
    220,578.19x = 17,987,994,484.91
  5. Step 5: Solve for x
    x = 17,987,994,484.91/220,578.19
  6. Step 6: Final answer
    x = 81,549.29

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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.