Finding the Fourth Proportional to 202,233.68, 279,082.26 and 111,589.62
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Solution
The fourth proportional to 202,233.68, 279,082.26 and 111,589.62 is: 153,993.56
Step by Step Solution
- Step 1: Write the proportion equation
202,233.68 : 279,082.26 = 111,589.62 : x - Step 2: Convert to fraction form
202,233.68/279,082.26 = 111,589.62/x - Step 3: Cross multiply
202,233.68x = 279,082.26 × 111,589.62 - Step 4: Simplify right side
202,233.68x = 31,142,683,342.14 - Step 5: Solve for x
x = 31,142,683,342.14/202,233.68 - Step 6: Final answer
x = 153,993.56
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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.