Finding the Fourth Proportional to 181,043.61, 271,549.46 and 81,176.99
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Solution
The fourth proportional to 181,043.61, 271,549.46 and 81,176.99 is: 121,758.33
Step by Step Solution
- Step 1: Write the proportion equation
181,043.61 : 271,549.46 = 81,176.99 : x - Step 2: Convert to fraction form
181,043.61/271,549.46 = 81,176.99/x - Step 3: Cross multiply
181,043.61x = 271,549.46 × 81,176.99 - Step 4: Simplify right side
181,043.61x = 22,043,566,644.12 - Step 5: Solve for x
x = 22,043,566,644.12/181,043.61 - Step 6: Final answer
x = 121,758.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.