Finding the Fourth Proportional to 186,949.62, 257,989.46 and 102,066.08
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Solution
The fourth proportional to 186,949.62, 257,989.46 and 102,066.08 is: 140,850.63
Step by Step Solution
- Step 1: Write the proportion equation
186,949.62 : 257,989.46 = 102,066.08 : x - Step 2: Convert to fraction form
186,949.62/257,989.46 = 102,066.08/x - Step 3: Cross multiply
186,949.62x = 257,989.46 × 102,066.08 - Step 4: Simplify right side
186,949.62x = 26,331,971,063.24 - Step 5: Solve for x
x = 26,331,971,063.24/186,949.62 - Step 6: Final answer
x = 140,850.63
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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.