Finding the Fourth Proportional to 151,744.80, 209,406.80 and 82,833.99
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Solution
The fourth proportional to 151,744.80, 209,406.80 and 82,833.99 is: 114,310.34
Step by Step Solution
- Step 1: Write the proportion equation
151,744.80 : 209,406.80 = 82,833.99 : x - Step 2: Convert to fraction form
151,744.80/209,406.80 = 82,833.99/x - Step 3: Cross multiply
151,744.80x = 209,406.80 × 82,833.99 - Step 4: Simplify right side
151,744.80x = 17,346,000,198.94 - Step 5: Solve for x
x = 17,346,000,198.94/151,744.80 - Step 6: Final answer
x = 114,310.34
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1.5x scale
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.