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Finding the Fourth Proportional to 219,324.57, 302,668.82 and 118,722.57

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Solution

The fourth proportional to 219,324.57, 302,668.82 and 118,722.57 is: 163,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,324.57 : 302,668.82 = 118,722.57 : x
  2. Step 2: Convert to fraction form
    219,324.57/302,668.82 = 118,722.57/x
  3. Step 3: Cross multiply
    219,324.57x = 302,668.82 × 118,722.57
  4. Step 4: Simplify right side
    219,324.57x = 35,933,620,169.27
  5. Step 5: Solve for x
    x = 35,933,620,169.27/219,324.57
  6. Step 6: Final answer
    x = 163,837.64

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1.5x scale

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.