Finding the Fourth Proportional to 226,441.97, 312,483.17 and 129,642.62
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Solution
The fourth proportional to 226,441.97, 312,483.17 and 129,642.62 is: 178,902.95
Step by Step Solution
- Step 1: Write the proportion equation
226,441.97 : 312,483.17 = 129,642.62 : x - Step 2: Convert to fraction form
226,441.97/312,483.17 = 129,642.62/x - Step 3: Cross multiply
226,441.97x = 312,483.17 × 129,642.62 - Step 4: Simplify right side
226,441.97x = 40,511,134,654.08 - Step 5: Solve for x
x = 40,511,134,654.08/226,441.97 - Step 6: Final answer
x = 178,902.95
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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.