Finding the Fourth Proportional to 80,545.25, 120,818.36 and 27,237.62
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Solution
The fourth proportional to 80,545.25, 120,818.36 and 27,237.62 is: 40,856.58
Step by Step Solution
- Step 1: Write the proportion equation
80,545.25 : 120,818.36 = 27,237.62 : x - Step 2: Convert to fraction form
80,545.25/120,818.36 = 27,237.62/x - Step 3: Cross multiply
80,545.25x = 120,818.36 × 27,237.62 - Step 4: Simplify right side
80,545.25x = 3,290,803,838.42 - Step 5: Solve for x
x = 3,290,803,838.42/80,545.25 - Step 6: Final answer
x = 40,856.58
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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.