Finding the Fourth Proportional to 394,906.80, 592,187.40 and 158,170.80
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Solution
The fourth proportional to 394,906.80, 592,187.40 and 158,170.80 is: 237,186.99
Step by Step Solution
- Step 1: Write the proportion equation
394,906.80 : 592,187.40 = 158,170.80 : x - Step 2: Convert to fraction form
394,906.80/592,187.40 = 158,170.80/x - Step 3: Cross multiply
394,906.80x = 592,187.40 × 158,170.80 - Step 4: Simplify right side
394,906.80x = 93,666,754,807.92 - Step 5: Solve for x
x = 93,666,754,807.92/394,906.80 - Step 6: Final answer
x = 237,186.99
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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.