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Finding the Fourth Proportional to 222,571.57, 307,149.07 and 120,598.14

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Solution

The fourth proportional to 222,571.57, 307,149.07 and 120,598.14 is: 166,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,571.57 : 307,149.07 = 120,598.14 : x
  2. Step 2: Convert to fraction form
    222,571.57/307,149.07 = 120,598.14/x
  3. Step 3: Cross multiply
    222,571.57x = 307,149.07 × 120,598.14
  4. Step 4: Simplify right side
    222,571.57x = 37,041,606,544.73
  5. Step 5: Solve for x
    x = 37,041,606,544.73/222,571.57
  6. Step 6: Final answer
    x = 166,425.60

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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.