Finding the Fourth Proportional to 80,178.92, 120,309.88 and 58,173.92
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Solution
The fourth proportional to 80,178.92, 120,309.88 and 58,173.92 is: 87,290.99
Step by Step Solution
- Step 1: Write the proportion equation
80,178.92 : 120,309.88 = 58,173.92 : x - Step 2: Convert to fraction form
80,178.92/120,309.88 = 58,173.92/x - Step 3: Cross multiply
80,178.92x = 120,309.88 × 58,173.92 - Step 4: Simplify right side
80,178.92x = 6,998,897,334.33 - Step 5: Solve for x
x = 6,998,897,334.33/80,178.92 - Step 6: Final answer
x = 87,290.99
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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.