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Finding the Fourth Proportional to 80,300.31, 110,811.48 and 46,310.22

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Solution

The fourth proportional to 80,300.31, 110,811.48 and 46,310.22 is: 63,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,300.31 : 110,811.48 = 46,310.22 : x
  2. Step 2: Convert to fraction form
    80,300.31/110,811.48 = 46,310.22/x
  3. Step 3: Cross multiply
    80,300.31x = 110,811.48 × 46,310.22
  4. Step 4: Simplify right side
    80,300.31x = 5,131,704,017.33
  5. Step 5: Solve for x
    x = 5,131,704,017.33/80,300.31
  6. Step 6: Final answer
    x = 63,906.40

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1.5x scale

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.