Finding the Fourth Proportional to 268,892.84, 403,245.24 and 79,302.92
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Solution
The fourth proportional to 268,892.84, 403,245.24 and 79,302.92 is: 118,926.65
Step by Step Solution
- Step 1: Write the proportion equation
268,892.84 : 403,245.24 = 79,302.92 : x - Step 2: Convert to fraction form
268,892.84/403,245.24 = 79,302.92/x - Step 3: Cross multiply
268,892.84x = 403,245.24 × 79,302.92 - Step 4: Simplify right side
268,892.84x = 31,978,525,008.10 - Step 5: Solve for x
x = 31,978,525,008.10/268,892.84 - Step 6: Final answer
x = 118,926.65
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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.