Finding the Fourth Proportional to 174,391.84, 261,711.96 and 79,634.80
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Solution
The fourth proportional to 174,391.84, 261,711.96 and 79,634.80 is: 119,508.92
Step by Step Solution
- Step 1: Write the proportion equation
174,391.84 : 261,711.96 = 79,634.80 : x - Step 2: Convert to fraction form
174,391.84/261,711.96 = 79,634.80/x - Step 3: Cross multiply
174,391.84x = 261,711.96 × 79,634.80 - Step 4: Simplify right side
174,391.84x = 20,841,379,592.21 - Step 5: Solve for x
x = 20,841,379,592.21/174,391.84 - Step 6: Final answer
x = 119,508.92
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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.