Finding the Fourth Proportional to 149,154.08, 205,832.64 and 82,086.08
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Solution
The fourth proportional to 149,154.08, 205,832.64 and 82,086.08 is: 113,278.80
Step by Step Solution
- Step 1: Write the proportion equation
149,154.08 : 205,832.64 = 82,086.08 : x - Step 2: Convert to fraction form
149,154.08/205,832.64 = 82,086.08/x - Step 3: Cross multiply
149,154.08x = 205,832.64 × 82,086.08 - Step 4: Simplify right side
149,154.08x = 16,895,994,553.65 - Step 5: Solve for x
x = 16,895,994,553.65/149,154.08 - Step 6: Final answer
x = 113,278.80
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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.