Home / 231,155.24-317,769.48-198,771.26

Finding the Fourth Proportional to 231,155.24, 317,769.48 and 198,771.26

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Solution

The fourth proportional to 231,155.24, 317,769.48 and 198,771.26 is: 273,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,155.24 : 317,769.48 = 198,771.26 : x
  2. Step 2: Convert to fraction form
    231,155.24/317,769.48 = 198,771.26/x
  3. Step 3: Cross multiply
    231,155.24x = 317,769.48 × 198,771.26
  4. Step 4: Simplify right side
    231,155.24x = 63,163,439,929.14
  5. Step 5: Solve for x
    x = 63,163,439,929.14/231,155.24
  6. Step 6: Final answer
    x = 273,251.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.