Finding the Fourth Proportional to 173,724.20, 260,384.70 and 80,239.40
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Solution
The fourth proportional to 173,724.20, 260,384.70 and 80,239.40 is: 120,265.99
Step by Step Solution
- Step 1: Write the proportion equation
173,724.20 : 260,384.70 = 80,239.40 : x - Step 2: Convert to fraction form
173,724.20/260,384.70 = 80,239.40/x - Step 3: Cross multiply
173,724.20x = 260,384.70 × 80,239.40 - Step 4: Simplify right side
173,724.20x = 20,893,112,097.18 - Step 5: Solve for x
x = 20,893,112,097.18/173,724.20 - Step 6: Final answer
x = 120,265.99
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1.5x scale
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.