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Finding the Fourth Proportional to 491,588.25, 737,203.80 and 171,650.25

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Solution

The fourth proportional to 491,588.25, 737,203.80 and 171,650.25 is: 257,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,588.25 : 737,203.80 = 171,650.25 : x
  2. Step 2: Convert to fraction form
    491,588.25/737,203.80 = 171,650.25/x
  3. Step 3: Cross multiply
    491,588.25x = 737,203.80 × 171,650.25
  4. Step 4: Simplify right side
    491,588.25x = 126,541,216,570.95
  5. Step 5: Solve for x
    x = 126,541,216,570.95/491,588.25
  6. Step 6: Final answer
    x = 257,413.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.