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Finding the Fourth Proportional to 303,441.21, 417,625.34 and 222,740.91

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Solution

The fourth proportional to 303,441.21, 417,625.34 and 222,740.91 is: 306,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,441.21 : 417,625.34 = 222,740.91 : x
  2. Step 2: Convert to fraction form
    303,441.21/417,625.34 = 222,740.91/x
  3. Step 3: Cross multiply
    303,441.21x = 417,625.34 × 222,740.91
  4. Step 4: Simplify right side
    303,441.21x = 93,022,247,156.95
  5. Step 5: Solve for x
    x = 93,022,247,156.95/303,441.21
  6. Step 6: Final answer
    x = 306,557.73

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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.