Finding the Fourth Proportional to 115,889.77, 173,537.36 and 80,300.53
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Solution
The fourth proportional to 115,889.77, 173,537.36 and 80,300.53 is: 120,244.79
Step by Step Solution
- Step 1: Write the proportion equation
115,889.77 : 173,537.36 = 80,300.53 : x - Step 2: Convert to fraction form
115,889.77/173,537.36 = 80,300.53/x - Step 3: Cross multiply
115,889.77x = 173,537.36 × 80,300.53 - Step 4: Simplify right side
115,889.77x = 13,935,140,713.61 - Step 5: Solve for x
x = 13,935,140,713.61/115,889.77 - Step 6: Final answer
x = 120,244.79
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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.