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Finding the Fourth Proportional to 223,950.72, 309,052 and 123,348.72

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Solution

The fourth proportional to 223,950.72, 309,052 and 123,348.72 is: 170,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,950.72 : 309,052 = 123,348.72 : x
  2. Step 2: Convert to fraction form
    223,950.72/309,052 = 123,348.72/x
  3. Step 3: Cross multiply
    223,950.72x = 309,052 × 123,348.72
  4. Step 4: Simplify right side
    223,950.72x = 38,121,168,613.44
  5. Step 5: Solve for x
    x = 38,121,168,613.44/223,950.72
  6. Step 6: Final answer
    x = 170,221.24

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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.