Home / 209,288.24-288,816.26-113,795

Finding the Fourth Proportional to 209,288.24, 288,816.26 and 113,795

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Solution

The fourth proportional to 209,288.24, 288,816.26 and 113,795 is: 157,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,288.24 : 288,816.26 = 113,795 : x
  2. Step 2: Convert to fraction form
    209,288.24/288,816.26 = 113,795/x
  3. Step 3: Cross multiply
    209,288.24x = 288,816.26 × 113,795
  4. Step 4: Simplify right side
    209,288.24x = 32,865,846,306.70
  5. Step 5: Solve for x
    x = 32,865,846,306.70/209,288.24
  6. Step 6: Final answer
    x = 157,036.28

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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.