Finding the Fourth Proportional to 186,249.20, 257,015.92 and 101,366.08
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Solution
The fourth proportional to 186,249.20, 257,015.92 and 101,366.08 is: 139,880.85
Step by Step Solution
- Step 1: Write the proportion equation
186,249.20 : 257,015.92 = 101,366.08 : x - Step 2: Convert to fraction form
186,249.20/257,015.92 = 101,366.08/x - Step 3: Cross multiply
186,249.20x = 257,015.92 × 101,366.08 - Step 4: Simplify right side
186,249.20x = 26,052,696,307.99 - Step 5: Solve for x
x = 26,052,696,307.99/186,249.20 - Step 6: Final answer
x = 139,880.85
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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.