Finding the Fourth Proportional to 198,318.24, 273,677.66 and 107,672.42
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Solution
The fourth proportional to 198,318.24, 273,677.66 and 107,672.42 is: 148,587.12
Step by Step Solution
- Step 1: Write the proportion equation
198,318.24 : 273,677.66 = 107,672.42 : x - Step 2: Convert to fraction form
198,318.24/273,677.66 = 107,672.42/x - Step 3: Cross multiply
198,318.24x = 273,677.66 × 107,672.42 - Step 4: Simplify right side
198,318.24x = 29,467,535,952.14 - Step 5: Solve for x
x = 29,467,535,952.14/198,318.24 - Step 6: Final answer
x = 148,587.12
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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.