Finding the Fourth Proportional to 144,891.80, 217,337.70 and 121,563.80
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Solution
The fourth proportional to 144,891.80, 217,337.70 and 121,563.80 is: 182,345.70
Step by Step Solution
- Step 1: Write the proportion equation
144,891.80 : 217,337.70 = 121,563.80 : x - Step 2: Convert to fraction form
144,891.80/217,337.70 = 121,563.80/x - Step 3: Cross multiply
144,891.80x = 217,337.70 × 121,563.80 - Step 4: Simplify right side
144,891.80x = 26,420,396,695.26 - Step 5: Solve for x
x = 26,420,396,695.26/144,891.80 - Step 6: Final answer
x = 182,345.70
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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.