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Finding the Fourth Proportional to 217,265.60, 325,898.40 and 179,940.80

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Solution

The fourth proportional to 217,265.60, 325,898.40 and 179,940.80 is: 269,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,265.60 : 325,898.40 = 179,940.80 : x
  2. Step 2: Convert to fraction form
    217,265.60/325,898.40 = 179,940.80/x
  3. Step 3: Cross multiply
    217,265.60x = 325,898.40 × 179,940.80
  4. Step 4: Simplify right side
    217,265.60x = 58,642,418,814.72
  5. Step 5: Solve for x
    x = 58,642,418,814.72/217,265.60
  6. Step 6: Final answer
    x = 269,911.20

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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.