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Finding the Fourth Proportional to 285,252.80, 428,116.77 and 150,365.30

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Solution

The fourth proportional to 285,252.80, 428,116.77 and 150,365.30 is: 225,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,252.80 : 428,116.77 = 150,365.30 : x
  2. Step 2: Convert to fraction form
    285,252.80/428,116.77 = 150,365.30/x
  3. Step 3: Cross multiply
    285,252.80x = 428,116.77 × 150,365.30
  4. Step 4: Simplify right side
    285,252.80x = 64,373,906,556.08
  5. Step 5: Solve for x
    x = 64,373,906,556.08/285,252.80
  6. Step 6: Final answer
    x = 225,673.18

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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.