Finding the Fourth Proportional to 173,171.60, 259,703.40 and 68,022.80
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Solution
The fourth proportional to 173,171.60, 259,703.40 and 68,022.80 is: 102,012.99
Step by Step Solution
- Step 1: Write the proportion equation
173,171.60 : 259,703.40 = 68,022.80 : x - Step 2: Convert to fraction form
173,171.60/259,703.40 = 68,022.80/x - Step 3: Cross multiply
173,171.60x = 259,703.40 × 68,022.80 - Step 4: Simplify right side
173,171.60x = 17,665,752,437.52 - Step 5: Solve for x
x = 17,665,752,437.52/173,171.60 - Step 6: Final answer
x = 102,012.99
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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.