Finding the Fourth Proportional to 197,738.92, 272,878.35 and 107,092.82
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Solution
The fourth proportional to 197,738.92, 272,878.35 and 107,092.82 is: 147,787.35
Step by Step Solution
- Step 1: Write the proportion equation
197,738.92 : 272,878.35 = 107,092.82 : x - Step 2: Convert to fraction form
197,738.92/272,878.35 = 107,092.82/x - Step 3: Cross multiply
197,738.92x = 272,878.35 × 107,092.82 - Step 4: Simplify right side
197,738.92x = 29,223,310,654.06 - Step 5: Solve for x
x = 29,223,310,654.06/197,738.92 - Step 6: Final answer
x = 147,787.35
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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.