Finding the Fourth Proportional to 272,177.96, 408,212.10 and 170,930.79
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Solution
The fourth proportional to 272,177.96, 408,212.10 and 170,930.79 is: 256,361.75
Step by Step Solution
- Step 1: Write the proportion equation
272,177.96 : 408,212.10 = 170,930.79 : x - Step 2: Convert to fraction form
272,177.96/408,212.10 = 170,930.79/x - Step 3: Cross multiply
272,177.96x = 408,212.10 × 170,930.79 - Step 4: Simplify right side
272,177.96x = 69,776,016,740.56 - Step 5: Solve for x
x = 69,776,016,740.56/272,177.96 - Step 6: Final answer
x = 256,361.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.