Finding the Fourth Proportional to 119,060.94, 177,431.90 and 115,456.62
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Solution
The fourth proportional to 119,060.94, 177,431.90 and 115,456.62 is: 172,060.52
Step by Step Solution
- Step 1: Write the proportion equation
119,060.94 : 177,431.90 = 115,456.62 : x - Step 2: Convert to fraction form
119,060.94/177,431.90 = 115,456.62/x - Step 3: Cross multiply
119,060.94x = 177,431.90 × 115,456.62 - Step 4: Simplify right side
119,060.94x = 20,485,686,876.89 - Step 5: Solve for x
x = 20,485,686,876.89/119,060.94 - Step 6: Final answer
x = 172,060.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.