Finding the Fourth Proportional to 192,799.84, 266,073.92 and 121,153.44
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Solution
The fourth proportional to 192,799.84, 266,073.92 and 121,153.44 is: 167,198.12
Step by Step Solution
- Step 1: Write the proportion equation
192,799.84 : 266,073.92 = 121,153.44 : x - Step 2: Convert to fraction form
192,799.84/266,073.92 = 121,153.44/x - Step 3: Cross multiply
192,799.84x = 266,073.92 × 121,153.44 - Step 4: Simplify right side
192,799.84x = 32,235,770,702.28 - Step 5: Solve for x
x = 32,235,770,702.28/192,799.84 - Step 6: Final answer
x = 167,198.12
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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.