Finding the Fourth Proportional to 658,185.75, 987,278.63 and 159,549.75
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Solution
The fourth proportional to 658,185.75, 987,278.63 and 159,549.75 is: 239,324.63
Step by Step Solution
- Step 1: Write the proportion equation
658,185.75 : 987,278.63 = 159,549.75 : x - Step 2: Convert to fraction form
658,185.75/987,278.63 = 159,549.75/x - Step 3: Cross multiply
658,185.75x = 987,278.63 × 159,549.75 - Step 4: Simplify right side
658,185.75x = 157,520,057,799.09 - Step 5: Solve for x
x = 157,520,057,799.09/658,185.75 - Step 6: Final answer
x = 239,324.63
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1.5x scale
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.