Finding the Fourth Proportional to 198,248.37, 273,575.42 and 107,602.38
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Solution
The fourth proportional to 198,248.37, 273,575.42 and 107,602.38 is: 148,487.31
Step by Step Solution
- Step 1: Write the proportion equation
198,248.37 : 273,575.42 = 107,602.38 : x - Step 2: Convert to fraction form
198,248.37/273,575.42 = 107,602.38/x - Step 3: Cross multiply
198,248.37x = 273,575.42 × 107,602.38 - Step 4: Simplify right side
198,248.37x = 29,437,367,192.90 - Step 5: Solve for x
x = 29,437,367,192.90/198,248.37 - Step 6: Final answer
x = 148,487.31
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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.