Finding the Fourth Proportional to 181,534.80, 272,302.20 and 115,268.70
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Solution
The fourth proportional to 181,534.80, 272,302.20 and 115,268.70 is: 172,903.05
Step by Step Solution
- Step 1: Write the proportion equation
181,534.80 : 272,302.20 = 115,268.70 : x - Step 2: Convert to fraction form
181,534.80/272,302.20 = 115,268.70/x - Step 3: Cross multiply
181,534.80x = 272,302.20 × 115,268.70 - Step 4: Simplify right side
181,534.80x = 31,387,920,601.14 - Step 5: Solve for x
x = 31,387,920,601.14/181,534.80 - Step 6: Final answer
x = 172,903.05
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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.