Home / 222,731.83-305,665.74-221,157.19

Finding the Fourth Proportional to 222,731.83, 305,665.74 and 221,157.19

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Solution

The fourth proportional to 222,731.83, 305,665.74 and 221,157.19 is: 303,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,731.83 : 305,665.74 = 221,157.19 : x
  2. Step 2: Convert to fraction form
    222,731.83/305,665.74 = 221,157.19/x
  3. Step 3: Cross multiply
    222,731.83x = 305,665.74 × 221,157.19
  4. Step 4: Simplify right side
    222,731.83x = 67,600,176,137.67
  5. Step 5: Solve for x
    x = 67,600,176,137.67/222,731.83
  6. Step 6: Final answer
    x = 303,504.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.