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Finding the Fourth Proportional to 325,157.63, 448,717.55 and 181,951.38

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Solution

The fourth proportional to 325,157.63, 448,717.55 and 181,951.38 is: 251,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,157.63 : 448,717.55 = 181,951.38 : x
  2. Step 2: Convert to fraction form
    325,157.63/448,717.55 = 181,951.38/x
  3. Step 3: Cross multiply
    325,157.63x = 448,717.55 × 181,951.38
  4. Step 4: Simplify right side
    325,157.63x = 81,644,776,542.96
  5. Step 5: Solve for x
    x = 81,644,776,542.96/325,157.63
  6. Step 6: Final answer
    x = 251,092.92

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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.