Finding the Fourth Proportional to 115,658.60, 173,515.62 and 39,755.84
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Solution
The fourth proportional to 115,658.60, 173,515.62 and 39,755.84 is: 59,643.29
Step by Step Solution
- Step 1: Write the proportion equation
115,658.60 : 173,515.62 = 39,755.84 : x - Step 2: Convert to fraction form
115,658.60/173,515.62 = 39,755.84/x - Step 3: Cross multiply
115,658.60x = 173,515.62 × 39,755.84 - Step 4: Simplify right side
115,658.60x = 6,898,259,226.22 - Step 5: Solve for x
x = 6,898,259,226.22/115,658.60 - Step 6: Final answer
x = 59,643.29
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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.