Finding the Fourth Proportional to 314,371.92, 471,557.86 and 77,719.08
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Solution
The fourth proportional to 314,371.92, 471,557.86 and 77,719.08 is: 116,578.62
Step by Step Solution
- Step 1: Write the proportion equation
314,371.92 : 471,557.86 = 77,719.08 : x - Step 2: Convert to fraction form
314,371.92/471,557.86 = 77,719.08/x - Step 3: Cross multiply
314,371.92x = 471,557.86 × 77,719.08 - Step 4: Simplify right side
314,371.92x = 36,649,043,045.97 - Step 5: Solve for x
x = 36,649,043,045.97/314,371.92 - Step 6: Final answer
x = 116,578.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.