Home / 331,086.80-456,582.16-222,436.64

Finding the Fourth Proportional to 331,086.80, 456,582.16 and 222,436.64

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Solution

The fourth proportional to 331,086.80, 456,582.16 and 222,436.64 is: 306,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,086.80 : 456,582.16 = 222,436.64 : x
  2. Step 2: Convert to fraction form
    331,086.80/456,582.16 = 222,436.64/x
  3. Step 3: Cross multiply
    331,086.80x = 456,582.16 × 222,436.64
  4. Step 4: Simplify right side
    331,086.80x = 101,560,601,554.34
  5. Step 5: Solve for x
    x = 101,560,601,554.34/331,086.80
  6. Step 6: Final answer
    x = 306,749.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.