Finding the Fourth Proportional to 198,211.14, 273,531.56 and 107,567.12
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Solution
The fourth proportional to 198,211.14, 273,531.56 and 107,567.12 is: 148,442.73
Step by Step Solution
- Step 1: Write the proportion equation
198,211.14 : 273,531.56 = 107,567.12 : x - Step 2: Convert to fraction form
198,211.14/273,531.56 = 107,567.12/x - Step 3: Cross multiply
198,211.14x = 273,531.56 × 107,567.12 - Step 4: Simplify right side
198,211.14x = 29,423,002,138.31 - Step 5: Solve for x
x = 29,423,002,138.31/198,211.14 - Step 6: Final answer
x = 148,442.73
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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.