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Finding the Fourth Proportional to 220,828.08, 331,255.08 and 63,044.40

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Solution

The fourth proportional to 220,828.08, 331,255.08 and 63,044.40 is: 94,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,828.08 : 331,255.08 = 63,044.40 : x
  2. Step 2: Convert to fraction form
    220,828.08/331,255.08 = 63,044.40/x
  3. Step 3: Cross multiply
    220,828.08x = 331,255.08 × 63,044.40
  4. Step 4: Simplify right side
    220,828.08x = 20,883,777,765.55
  5. Step 5: Solve for x
    x = 20,883,777,765.55/220,828.08
  6. Step 6: Final answer
    x = 94,570.30

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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.