Finding the Fourth Proportional to 173,842.20, 260,763.30 and 102,691.80
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Solution
The fourth proportional to 173,842.20, 260,763.30 and 102,691.80 is: 154,037.70
Step by Step Solution
- Step 1: Write the proportion equation
173,842.20 : 260,763.30 = 102,691.80 : x - Step 2: Convert to fraction form
173,842.20/260,763.30 = 102,691.80/x - Step 3: Cross multiply
173,842.20x = 260,763.30 × 102,691.80 - Step 4: Simplify right side
173,842.20x = 26,778,252,650.94 - Step 5: Solve for x
x = 26,778,252,650.94/173,842.20 - Step 6: Final answer
x = 154,037.70
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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.