Finding the Fourth Proportional to 128,577.92, 192,534.56 and 88,719.84
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Solution
The fourth proportional to 128,577.92, 192,534.56 and 88,719.84 is: 132,850.46
Step by Step Solution
- Step 1: Write the proportion equation
128,577.92 : 192,534.56 = 88,719.84 : x - Step 2: Convert to fraction form
128,577.92/192,534.56 = 88,719.84/x - Step 3: Cross multiply
128,577.92x = 192,534.56 × 88,719.84 - Step 4: Simplify right side
128,577.92x = 17,081,635,357.67 - Step 5: Solve for x
x = 17,081,635,357.67/128,577.92 - Step 6: Final answer
x = 132,850.46
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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.