Finding the Fourth Proportional to 186,639.48, 257,568.12 and 101,757.96
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Solution
The fourth proportional to 186,639.48, 257,568.12 and 101,757.96 is: 140,429.06
Step by Step Solution
- Step 1: Write the proportion equation
186,639.48 : 257,568.12 = 101,757.96 : x - Step 2: Convert to fraction form
186,639.48/257,568.12 = 101,757.96/x - Step 3: Cross multiply
186,639.48x = 257,568.12 × 101,757.96 - Step 4: Simplify right side
186,639.48x = 26,209,606,452.24 - Step 5: Solve for x
x = 26,209,606,452.24/186,639.48 - Step 6: Final answer
x = 140,429.06
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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.