Finding the Fourth Proportional to 177,160.28, 265,740.44 and 71,979.32
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Solution
The fourth proportional to 177,160.28, 265,740.44 and 71,979.32 is: 107,968.99
Step by Step Solution
- Step 1: Write the proportion equation
177,160.28 : 265,740.44 = 71,979.32 : x - Step 2: Convert to fraction form
177,160.28/265,740.44 = 71,979.32/x - Step 3: Cross multiply
177,160.28x = 265,740.44 × 71,979.32 - Step 4: Simplify right side
177,160.28x = 19,127,816,167.70 - Step 5: Solve for x
x = 19,127,816,167.70/177,160.28 - Step 6: Final answer
x = 107,968.99
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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.