Finding the Fourth Proportional to 198,595.68, 274,064.60 and 107,952.96
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Solution
The fourth proportional to 198,595.68, 274,064.60 and 107,952.96 is: 148,976.48
Step by Step Solution
- Step 1: Write the proportion equation
198,595.68 : 274,064.60 = 107,952.96 : x - Step 2: Convert to fraction form
198,595.68/274,064.60 = 107,952.96/x - Step 3: Cross multiply
198,595.68x = 274,064.60 × 107,952.96 - Step 4: Simplify right side
198,595.68x = 29,586,084,801.22 - Step 5: Solve for x
x = 29,586,084,801.22/198,595.68 - Step 6: Final answer
x = 148,976.48
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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.