Finding the Fourth Proportional to 170,621.24, 235,456.61 and 94,145.09
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Solution
The fourth proportional to 170,621.24, 235,456.61 and 94,145.09 is: 129,919.83
Step by Step Solution
- Step 1: Write the proportion equation
170,621.24 : 235,456.61 = 94,145.09 : x - Step 2: Convert to fraction form
170,621.24/235,456.61 = 94,145.09/x - Step 3: Cross multiply
170,621.24x = 235,456.61 × 94,145.09 - Step 4: Simplify right side
170,621.24x = 22,167,082,091.54 - Step 5: Solve for x
x = 22,167,082,091.54/170,621.24 - Step 6: Final answer
x = 129,919.83
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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.