Finding the Fourth Proportional to 173,811.30, 260,716.95 and 138,819.30
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Solution
The fourth proportional to 173,811.30, 260,716.95 and 138,819.30 is: 208,228.95
Step by Step Solution
- Step 1: Write the proportion equation
173,811.30 : 260,716.95 = 138,819.30 : x - Step 2: Convert to fraction form
173,811.30/260,716.95 = 138,819.30/x - Step 3: Cross multiply
173,811.30x = 260,716.95 × 138,819.30 - Step 4: Simplify right side
173,811.30x = 36,192,544,497.14 - Step 5: Solve for x
x = 36,192,544,497.14/173,811.30 - Step 6: Final answer
x = 208,228.95
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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.