Finding the Fourth Proportional to 198,813.97, 298,407.80 and 104,112.12
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Solution
The fourth proportional to 198,813.97, 298,407.80 and 104,112.12 is: 156,266.02
Step by Step Solution
- Step 1: Write the proportion equation
198,813.97 : 298,407.80 = 104,112.12 : x - Step 2: Convert to fraction form
198,813.97/298,407.80 = 104,112.12/x - Step 3: Cross multiply
198,813.97x = 298,407.80 × 104,112.12 - Step 4: Simplify right side
198,813.97x = 31,067,868,682.54 - Step 5: Solve for x
x = 31,067,868,682.54/198,813.97 - Step 6: Final answer
x = 156,266.02
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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.