Finding the Fourth Proportional to 272,326.80, 408,493.17 and 82,817.99
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Solution
The fourth proportional to 272,326.80, 408,493.17 and 82,817.99 is: 124,227.88
Step by Step Solution
- Step 1: Write the proportion equation
272,326.80 : 408,493.17 = 82,817.99 : x - Step 2: Convert to fraction form
272,326.80/408,493.17 = 82,817.99/x - Step 3: Cross multiply
272,326.80x = 408,493.17 × 82,817.99 - Step 4: Simplify right side
272,326.80x = 33,830,581,225.66 - Step 5: Solve for x
x = 33,830,581,225.66/272,326.80 - Step 6: Final answer
x = 124,227.88
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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.