Finding the Fourth Proportional to 137,727.70, 206,591.55 and 120,231.70
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Solution
The fourth proportional to 137,727.70, 206,591.55 and 120,231.70 is: 180,347.55
Step by Step Solution
- Step 1: Write the proportion equation
137,727.70 : 206,591.55 = 120,231.70 : x - Step 2: Convert to fraction form
137,727.70/206,591.55 = 120,231.70/x - Step 3: Cross multiply
137,727.70x = 206,591.55 × 120,231.70 - Step 4: Simplify right side
137,727.70x = 24,838,853,262.14 - Step 5: Solve for x
x = 24,838,853,262.14/137,727.70 - Step 6: Final answer
x = 180,347.55
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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.