Finding the Fourth Proportional to 113,446.88, 169,911.12 and 54,324.08
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Solution
The fourth proportional to 113,446.88, 169,911.12 and 54,324.08 is: 81,362.00
Step by Step Solution
- Step 1: Write the proportion equation
113,446.88 : 169,911.12 = 54,324.08 : x - Step 2: Convert to fraction form
113,446.88/169,911.12 = 54,324.08/x - Step 3: Cross multiply
113,446.88x = 169,911.12 × 54,324.08 - Step 4: Simplify right side
113,446.88x = 9,230,265,275.77 - Step 5: Solve for x
x = 9,230,265,275.77/113,446.88 - Step 6: Final answer
x = 81,362.00
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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.