Finding the Fourth Proportional to 174,595.88, 261,981.47 and 79,817.63
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Solution
The fourth proportional to 174,595.88, 261,981.47 and 79,817.63 is: 119,766.50
Step by Step Solution
- Step 1: Write the proportion equation
174,595.88 : 261,981.47 = 79,817.63 : x - Step 2: Convert to fraction form
174,595.88/261,981.47 = 79,817.63/x - Step 3: Cross multiply
174,595.88x = 261,981.47 × 79,817.63 - Step 4: Simplify right side
174,595.88x = 20,910,738,330.32 - Step 5: Solve for x
x = 20,910,738,330.32/174,595.88 - Step 6: Final answer
x = 119,766.50
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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.