Finding the Fourth Proportional to 115,638.84, 173,458.26 and 36,753.08
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Solution
The fourth proportional to 115,638.84, 173,458.26 and 36,753.08 is: 55,129.61
Step by Step Solution
- Step 1: Write the proportion equation
115,638.84 : 173,458.26 = 36,753.08 : x - Step 2: Convert to fraction form
115,638.84/173,458.26 = 36,753.08/x - Step 3: Cross multiply
115,638.84x = 173,458.26 × 36,753.08 - Step 4: Simplify right side
115,638.84x = 6,375,124,439.15 - Step 5: Solve for x
x = 6,375,124,439.15/115,638.84 - Step 6: Final answer
x = 55,129.61
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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.