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Finding the Fourth Proportional to 308,518.88, 425,805.26 and 181,169.87

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Solution

The fourth proportional to 308,518.88, 425,805.26 and 181,169.87 is: 250,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,518.88 : 425,805.26 = 181,169.87 : x
  2. Step 2: Convert to fraction form
    308,518.88/425,805.26 = 181,169.87/x
  3. Step 3: Cross multiply
    308,518.88x = 425,805.26 × 181,169.87
  4. Step 4: Simplify right side
    308,518.88x = 77,143,080,564.64
  5. Step 5: Solve for x
    x = 77,143,080,564.64/308,518.88
  6. Step 6: Final answer
    x = 250,043.31

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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.