Finding the Fourth Proportional to 186,390.11, 257,221.10 and 101,506.97
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Solution
The fourth proportional to 186,390.11, 257,221.10 and 101,506.97 is: 140,081.12
Step by Step Solution
- Step 1: Write the proportion equation
186,390.11 : 257,221.10 = 101,506.97 : x - Step 2: Convert to fraction form
186,390.11/257,221.10 = 101,506.97/x - Step 3: Cross multiply
186,390.11x = 257,221.10 × 101,506.97 - Step 4: Simplify right side
186,390.11x = 26,109,734,481.07 - Step 5: Solve for x
x = 26,109,734,481.07/186,390.11 - Step 6: Final answer
x = 140,081.12
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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.