Home / 222,021.09-306,015.98-168,288.93

Finding the Fourth Proportional to 222,021.09, 306,015.98 and 168,288.93

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Solution

The fourth proportional to 222,021.09, 306,015.98 and 168,288.93 is: 231,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,021.09 : 306,015.98 = 168,288.93 : x
  2. Step 2: Convert to fraction form
    222,021.09/306,015.98 = 168,288.93/x
  3. Step 3: Cross multiply
    222,021.09x = 306,015.98 × 168,288.93
  4. Step 4: Simplify right side
    222,021.09x = 51,499,100,995.66
  5. Step 5: Solve for x
    x = 51,499,100,995.66/222,021.09
  6. Step 6: Final answer
    x = 231,955.90

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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.