Finding the Fourth Proportional to 173,120.74, 238,910.64 and 108,592.70
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Solution
The fourth proportional to 173,120.74, 238,910.64 and 108,592.70 is: 149,860.45
Step by Step Solution
- Step 1: Write the proportion equation
173,120.74 : 238,910.64 = 108,592.70 : x - Step 2: Convert to fraction form
173,120.74/238,910.64 = 108,592.70/x - Step 3: Cross multiply
173,120.74x = 238,910.64 × 108,592.70 - Step 4: Simplify right side
173,120.74x = 25,943,951,456.33 - Step 5: Solve for x
x = 25,943,951,456.33/173,120.74 - Step 6: Final answer
x = 149,860.45
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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.