Finding the Fourth Proportional to 173,336.12, 259,831.94 and 120,634.88
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Solution
The fourth proportional to 173,336.12, 259,831.94 and 120,634.88 is: 180,832.45
Step by Step Solution
- Step 1: Write the proportion equation
173,336.12 : 259,831.94 = 120,634.88 : x - Step 2: Convert to fraction form
173,336.12/259,831.94 = 120,634.88/x - Step 3: Cross multiply
173,336.12x = 259,831.94 × 120,634.88 - Step 4: Simplify right side
173,336.12x = 31,344,794,902.07 - Step 5: Solve for x
x = 31,344,794,902.07/173,336.12 - Step 6: Final answer
x = 180,832.45
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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.