Home / 199,321.25-298,982.96-51,577.25

Finding the Fourth Proportional to 199,321.25, 298,982.96 and 51,577.25

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Solution

The fourth proportional to 199,321.25, 298,982.96 and 51,577.25 is: 77,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,321.25 : 298,982.96 = 51,577.25 : x
  2. Step 2: Convert to fraction form
    199,321.25/298,982.96 = 51,577.25/x
  3. Step 3: Cross multiply
    199,321.25x = 298,982.96 × 51,577.25
  4. Step 4: Simplify right side
    199,321.25x = 15,420,718,615.77
  5. Step 5: Solve for x
    x = 15,420,718,615.77/199,321.25
  6. Step 6: Final answer
    x = 77,366.15

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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.