Finding the Fourth Proportional to 198,221.29, 273,545.52 and 107,577.23
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Solution
The fourth proportional to 198,221.29, 273,545.52 and 107,577.23 is: 148,456.65
Step by Step Solution
- Step 1: Write the proportion equation
198,221.29 : 273,545.52 = 107,577.23 : x - Step 2: Convert to fraction form
198,221.29/273,545.52 = 107,577.23/x - Step 3: Cross multiply
198,221.29x = 273,545.52 × 107,577.23 - Step 4: Simplify right side
198,221.29x = 29,427,268,782.62 - Step 5: Solve for x
x = 29,427,268,782.62/198,221.29 - Step 6: Final answer
x = 148,456.65
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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.