Finding the Fourth Proportional to 115,733.20, 173,599.80 and 53,369.68
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Solution
The fourth proportional to 115,733.20, 173,599.80 and 53,369.68 is: 80,054.52
Step by Step Solution
- Step 1: Write the proportion equation
115,733.20 : 173,599.80 = 53,369.68 : x - Step 2: Convert to fraction form
115,733.20/173,599.80 = 53,369.68/x - Step 3: Cross multiply
115,733.20x = 173,599.80 × 53,369.68 - Step 4: Simplify right side
115,733.20x = 9,264,965,774.06 - Step 5: Solve for x
x = 9,264,965,774.06/115,733.20 - Step 6: Final answer
x = 80,054.52
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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.