Home / 263,991.72-363,956.14-209,723.96

Finding the Fourth Proportional to 263,991.72, 363,956.14 and 209,723.96

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Solution

The fourth proportional to 263,991.72, 363,956.14 and 209,723.96 is: 289,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,991.72 : 363,956.14 = 209,723.96 : x
  2. Step 2: Convert to fraction form
    263,991.72/363,956.14 = 209,723.96/x
  3. Step 3: Cross multiply
    263,991.72x = 363,956.14 × 209,723.96
  4. Step 4: Simplify right side
    263,991.72x = 76,330,322,947.11
  5. Step 5: Solve for x
    x = 76,330,322,947.11/263,991.72
  6. Step 6: Final answer
    x = 289,139.08

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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.