Finding the Fourth Proportional to 198,444.08, 273,851.88 and 107,799.44
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Solution
The fourth proportional to 198,444.08, 273,851.88 and 107,799.44 is: 148,762.71
Step by Step Solution
- Step 1: Write the proportion equation
198,444.08 : 273,851.88 = 107,799.44 : x - Step 2: Convert to fraction form
198,444.08/273,851.88 = 107,799.44/x - Step 3: Cross multiply
198,444.08x = 273,851.88 × 107,799.44 - Step 4: Simplify right side
198,444.08x = 29,521,079,306.95 - Step 5: Solve for x
x = 29,521,079,306.95/198,444.08 - Step 6: Final answer
x = 148,762.71
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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.