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Finding the Fourth Proportional to 223,705.52, 308,695.08 and 131,810.48

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Solution

The fourth proportional to 223,705.52, 308,695.08 and 131,810.48 is: 181,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,705.52 : 308,695.08 = 131,810.48 : x
  2. Step 2: Convert to fraction form
    223,705.52/308,695.08 = 131,810.48/x
  3. Step 3: Cross multiply
    223,705.52x = 308,695.08 × 131,810.48
  4. Step 4: Simplify right side
    223,705.52x = 40,689,246,668.44
  5. Step 5: Solve for x
    x = 40,689,246,668.44/223,705.52
  6. Step 6: Final answer
    x = 181,887.54

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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.