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Finding the Fourth Proportional to 263,424.80, 395,266.80 and 200,223.20

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Solution

The fourth proportional to 263,424.80, 395,266.80 and 200,223.20 is: 300,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,424.80 : 395,266.80 = 200,223.20 : x
  2. Step 2: Convert to fraction form
    263,424.80/395,266.80 = 200,223.20/x
  3. Step 3: Cross multiply
    263,424.80x = 395,266.80 × 200,223.20
  4. Step 4: Simplify right side
    263,424.80x = 79,141,583,549.76
  5. Step 5: Solve for x
    x = 79,141,583,549.76/263,424.80
  6. Step 6: Final answer
    x = 300,433.31

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1.5x scale

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.