Home / 223,619.60-335,429.40-198,736.40

Finding the Fourth Proportional to 223,619.60, 335,429.40 and 198,736.40

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Solution

The fourth proportional to 223,619.60, 335,429.40 and 198,736.40 is: 298,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,619.60 : 335,429.40 = 198,736.40 : x
  2. Step 2: Convert to fraction form
    223,619.60/335,429.40 = 198,736.40/x
  3. Step 3: Cross multiply
    223,619.60x = 335,429.40 × 198,736.40
  4. Step 4: Simplify right side
    223,619.60x = 66,662,031,410.16
  5. Step 5: Solve for x
    x = 66,662,031,410.16/223,619.60
  6. Step 6: Final answer
    x = 298,104.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.