Home / 857,245.28-1,285,769.43-226,208.30

Finding the Fourth Proportional to 857,245.28, 1,285,769.43 and 226,208.30

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Solution

The fourth proportional to 857,245.28, 1,285,769.43 and 226,208.30 is: 339,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,245.28 : 1,285,769.43 = 226,208.30 : x
  2. Step 2: Convert to fraction form
    857,245.28/1,285,769.43 = 226,208.30/x
  3. Step 3: Cross multiply
    857,245.28x = 1,285,769.43 × 226,208.30
  4. Step 4: Simplify right side
    857,245.28x = 290,851,710,523.42
  5. Step 5: Solve for x
    x = 290,851,710,523.42/857,245.28
  6. Step 6: Final answer
    x = 339,286.46

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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.