Finding the Fourth Proportional to 173,838.80, 260,790.60 and 55,543.70
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Solution
The fourth proportional to 173,838.80, 260,790.60 and 55,543.70 is: 83,325.90
Step by Step Solution
- Step 1: Write the proportion equation
173,838.80 : 260,790.60 = 55,543.70 : x - Step 2: Convert to fraction form
173,838.80/260,790.60 = 55,543.70/x - Step 3: Cross multiply
173,838.80x = 260,790.60 × 55,543.70 - Step 4: Simplify right side
173,838.80x = 14,485,274,849.22 - Step 5: Solve for x
x = 14,485,274,849.22/173,838.80 - Step 6: Final answer
x = 83,325.90
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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.