Finding the Fourth Proportional to 173,816.20, 260,618.70 and 68,513.80
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Solution
The fourth proportional to 173,816.20, 260,618.70 and 68,513.80 is: 102,729.08
Step by Step Solution
- Step 1: Write the proportion equation
173,816.20 : 260,618.70 = 68,513.80 : x - Step 2: Convert to fraction form
173,816.20/260,618.70 = 68,513.80/x - Step 3: Cross multiply
173,816.20x = 260,618.70 × 68,513.80 - Step 4: Simplify right side
173,816.20x = 17,855,977,488.06 - Step 5: Solve for x
x = 17,855,977,488.06/173,816.20 - Step 6: Final answer
x = 102,729.08
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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.