Finding the Fourth Proportional to 173,775.26, 239,830.07 and 105,832.06
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Solution
The fourth proportional to 173,775.26, 239,830.07 and 105,832.06 is: 146,060.54
Step by Step Solution
- Step 1: Write the proportion equation
173,775.26 : 239,830.07 = 105,832.06 : x - Step 2: Convert to fraction form
173,775.26/239,830.07 = 105,832.06/x - Step 3: Cross multiply
173,775.26x = 239,830.07 × 105,832.06 - Step 4: Simplify right side
173,775.26x = 25,381,709,229.31 - Step 5: Solve for x
x = 25,381,709,229.31/173,775.26 - Step 6: Final answer
x = 146,060.54
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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.