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Finding the Fourth Proportional to 223,804.75, 308,850.56 and 123,202.75

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Solution

The fourth proportional to 223,804.75, 308,850.56 and 123,202.75 is: 170,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,804.75 : 308,850.56 = 123,202.75 : x
  2. Step 2: Convert to fraction form
    223,804.75/308,850.56 = 123,202.75/x
  3. Step 3: Cross multiply
    223,804.75x = 308,850.56 × 123,202.75
  4. Step 4: Simplify right side
    223,804.75x = 38,051,237,715.03
  5. Step 5: Solve for x
    x = 38,051,237,715.03/223,804.75
  6. Step 6: Final answer
    x = 170,019.80

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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.