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Finding the Fourth Proportional to 219,540.69, 302,942.97 and 124,028.94

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Solution

The fourth proportional to 219,540.69, 302,942.97 and 124,028.94 is: 171,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,540.69 : 302,942.97 = 124,028.94 : x
  2. Step 2: Convert to fraction form
    219,540.69/302,942.97 = 124,028.94/x
  3. Step 3: Cross multiply
    219,540.69x = 302,942.97 × 124,028.94
  4. Step 4: Simplify right side
    219,540.69x = 37,573,695,449.55
  5. Step 5: Solve for x
    x = 37,573,695,449.55/219,540.69
  6. Step 6: Final answer
    x = 171,146.84

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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.