Finding the Fourth Proportional to 287,096.24, 396,189.92 and 159,769.68
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Solution
The fourth proportional to 287,096.24, 396,189.92 and 159,769.68 is: 220,480.55
Step by Step Solution
- Step 1: Write the proportion equation
287,096.24 : 396,189.92 = 159,769.68 : x - Step 2: Convert to fraction form
287,096.24/396,189.92 = 159,769.68/x - Step 3: Cross multiply
287,096.24x = 396,189.92 × 159,769.68 - Step 4: Simplify right side
287,096.24x = 63,299,136,737.63 - Step 5: Solve for x
x = 63,299,136,737.63/287,096.24 - Step 6: Final answer
x = 220,480.55
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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.