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Finding the Fourth Proportional to 262,550.80, 394,301.40 and 229,891.60

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Solution

The fourth proportional to 262,550.80, 394,301.40 and 229,891.60 is: 345,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,550.80 : 394,301.40 = 229,891.60 : x
  2. Step 2: Convert to fraction form
    262,550.80/394,301.40 = 229,891.60/x
  3. Step 3: Cross multiply
    262,550.80x = 394,301.40 × 229,891.60
  4. Step 4: Simplify right side
    262,550.80x = 90,646,579,728.24
  5. Step 5: Solve for x
    x = 90,646,579,728.24/262,550.80
  6. Step 6: Final answer
    x = 345,253.49

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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.