Finding the Fourth Proportional to 80,178.97, 120,267.16 and 27,588.91
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Solution
The fourth proportional to 80,178.97, 120,267.16 and 27,588.91 is: 41,382.92
Step by Step Solution
- Step 1: Write the proportion equation
80,178.97 : 120,267.16 = 27,588.91 : x - Step 2: Convert to fraction form
80,178.97/120,267.16 = 27,588.91/x - Step 3: Cross multiply
80,178.97x = 120,267.16 × 27,588.91 - Step 4: Simplify right side
80,178.97x = 3,318,039,853.20 - Step 5: Solve for x
x = 3,318,039,853.20/80,178.97 - Step 6: Final answer
x = 41,382.92
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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.