Finding the Fourth Proportional to 193,102.38, 266,446.26 and 121,577.76
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Solution
The fourth proportional to 193,102.38, 266,446.26 and 121,577.76 is: 167,755.26
Step by Step Solution
- Step 1: Write the proportion equation
193,102.38 : 266,446.26 = 121,577.76 : x - Step 2: Convert to fraction form
193,102.38/266,446.26 = 121,577.76/x - Step 3: Cross multiply
193,102.38x = 266,446.26 × 121,577.76 - Step 4: Simplify right side
193,102.38x = 32,393,939,451.18 - Step 5: Solve for x
x = 32,393,939,451.18/193,102.38 - Step 6: Final answer
x = 167,755.26
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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.