Finding the Fourth Proportional to 149,346.08, 206,105.28 and 82,278.08
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Solution
The fourth proportional to 149,346.08, 206,105.28 and 82,278.08 is: 113,547.99
Step by Step Solution
- Step 1: Write the proportion equation
149,346.08 : 206,105.28 = 82,278.08 : x - Step 2: Convert to fraction form
149,346.08/206,105.28 = 82,278.08/x - Step 3: Cross multiply
149,346.08x = 206,105.28 × 82,278.08 - Step 4: Simplify right side
149,346.08x = 16,957,946,716.26 - Step 5: Solve for x
x = 16,957,946,716.26/149,346.08 - Step 6: Final answer
x = 113,547.99
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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.