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Finding the Fourth Proportional to 219,324.72, 302,665.50 and 123,835.44

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Solution

The fourth proportional to 219,324.72, 302,665.50 and 123,835.44 is: 170,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,324.72 : 302,665.50 = 123,835.44 : x
  2. Step 2: Convert to fraction form
    219,324.72/302,665.50 = 123,835.44/x
  3. Step 3: Cross multiply
    219,324.72x = 302,665.50 × 123,835.44
  4. Step 4: Simplify right side
    219,324.72x = 37,480,715,365.32
  5. Step 5: Solve for x
    x = 37,480,715,365.32/219,324.72
  6. Step 6: Final answer
    x = 170,891.43

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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.