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Finding the Fourth Proportional to 223,883.80, 336,009.30 and 222,134.20

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Solution

The fourth proportional to 223,883.80, 336,009.30 and 222,134.20 is: 333,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,883.80 : 336,009.30 = 222,134.20 : x
  2. Step 2: Convert to fraction form
    223,883.80/336,009.30 = 222,134.20/x
  3. Step 3: Cross multiply
    223,883.80x = 336,009.30 × 222,134.20
  4. Step 4: Simplify right side
    223,883.80x = 74,639,157,048.06
  5. Step 5: Solve for x
    x = 74,639,157,048.06/223,883.80
  6. Step 6: Final answer
    x = 333,383.47

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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.