Finding the Fourth Proportional to 417,517.80, 626,276.70 and 181,321.80
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Solution
The fourth proportional to 417,517.80, 626,276.70 and 181,321.80 is: 271,982.70
Step by Step Solution
- Step 1: Write the proportion equation
417,517.80 : 626,276.70 = 181,321.80 : x - Step 2: Convert to fraction form
417,517.80/626,276.70 = 181,321.80/x - Step 3: Cross multiply
417,517.80x = 626,276.70 × 181,321.80 - Step 4: Simplify right side
417,517.80x = 113,557,618,542.06 - Step 5: Solve for x
x = 113,557,618,542.06/417,517.80 - Step 6: Final answer
x = 271,982.70
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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.