Finding the Fourth Proportional to 198,497.29, 273,922.93 and 107,854.64
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Solution
The fourth proportional to 198,497.29, 273,922.93 and 107,854.64 is: 148,837.59
Step by Step Solution
- Step 1: Write the proportion equation
198,497.29 : 273,922.93 = 107,854.64 : x - Step 2: Convert to fraction form
198,497.29/273,922.93 = 107,854.64/x - Step 3: Cross multiply
198,497.29x = 273,922.93 × 107,854.64 - Step 4: Simplify right side
198,497.29x = 29,543,859,002.90 - Step 5: Solve for x
x = 29,543,859,002.90/198,497.29 - Step 6: Final answer
x = 148,837.59
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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.