Finding the Fourth Proportional to 317,108.97, 437,607.05 and 173,868.66
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Solution
The fourth proportional to 317,108.97, 437,607.05 and 173,868.66 is: 239,936.92
Step by Step Solution
- Step 1: Write the proportion equation
317,108.97 : 437,607.05 = 173,868.66 : x - Step 2: Convert to fraction form
317,108.97/437,607.05 = 173,868.66/x - Step 3: Cross multiply
317,108.97x = 437,607.05 × 173,868.66 - Step 4: Simplify right side
317,108.97x = 76,086,150,520.71 - Step 5: Solve for x
x = 76,086,150,520.71/317,108.97 - Step 6: Final answer
x = 239,936.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.