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Finding the Fourth Proportional to 365,456.32, 504,485.20 and 222,262.32

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Solution

The fourth proportional to 365,456.32, 504,485.20 and 222,262.32 is: 306,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,456.32 : 504,485.20 = 222,262.32 : x
  2. Step 2: Convert to fraction form
    365,456.32/504,485.20 = 222,262.32/x
  3. Step 3: Cross multiply
    365,456.32x = 504,485.20 × 222,262.32
  4. Step 4: Simplify right side
    365,456.32x = 112,128,050,957.66
  5. Step 5: Solve for x
    x = 112,128,050,957.66/365,456.32
  6. Step 6: Final answer
    x = 306,816.56

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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.