Finding the Fourth Proportional to 259,668.82, 389,553.73 and 99,733.06
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Solution
The fourth proportional to 259,668.82, 389,553.73 and 99,733.06 is: 149,618.99
Step by Step Solution
- Step 1: Write the proportion equation
259,668.82 : 389,553.73 = 99,733.06 : x - Step 2: Convert to fraction form
259,668.82/389,553.73 = 99,733.06/x - Step 3: Cross multiply
259,668.82x = 389,553.73 × 99,733.06 - Step 4: Simplify right side
259,668.82x = 38,851,385,527.31 - Step 5: Solve for x
x = 38,851,385,527.31/259,668.82 - Step 6: Final answer
x = 149,618.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.