Finding the Fourth Proportional to 237,919.68, 328,326.36 and 129,022.32
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Solution
The fourth proportional to 237,919.68, 328,326.36 and 129,022.32 is: 178,049.28
Step by Step Solution
- Step 1: Write the proportion equation
237,919.68 : 328,326.36 = 129,022.32 : x - Step 2: Convert to fraction form
237,919.68/328,326.36 = 129,022.32/x - Step 3: Cross multiply
237,919.68x = 328,326.36 × 129,022.32 - Step 4: Simplify right side
237,919.68x = 42,361,428,684.36 - Step 5: Solve for x
x = 42,361,428,684.36/237,919.68 - Step 6: Final answer
x = 178,049.28
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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.