Home / 223,690.38-308,642.04-163,293.90

Finding the Fourth Proportional to 223,690.38, 308,642.04 and 163,293.90

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Solution

The fourth proportional to 223,690.38, 308,642.04 and 163,293.90 is: 225,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,690.38 : 308,642.04 = 163,293.90 : x
  2. Step 2: Convert to fraction form
    223,690.38/308,642.04 = 163,293.90/x
  3. Step 3: Cross multiply
    223,690.38x = 308,642.04 × 163,293.90
  4. Step 4: Simplify right side
    223,690.38x = 50,399,362,415.56
  5. Step 5: Solve for x
    x = 50,399,362,415.56/223,690.38
  6. Step 6: Final answer
    x = 225,308.58

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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.