Finding the Fourth Proportional to 226,561.01, 312,653.74 and 129,796.19
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Solution
The fourth proportional to 226,561.01, 312,653.74 and 129,796.19 is: 179,118.48
Step by Step Solution
- Step 1: Write the proportion equation
226,561.01 : 312,653.74 = 129,796.19 : x - Step 2: Convert to fraction form
226,561.01/312,653.74 = 129,796.19/x - Step 3: Cross multiply
226,561.01x = 312,653.74 × 129,796.19 - Step 4: Simplify right side
226,561.01x = 40,581,264,241.25 - Step 5: Solve for x
x = 40,581,264,241.25/226,561.01 - Step 6: Final answer
x = 179,118.48
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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.