Finding the Fourth Proportional to 272,586.99, 408,880.38 and 72,902.19
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Solution
The fourth proportional to 272,586.99, 408,880.38 and 72,902.19 is: 109,353.26
Step by Step Solution
- Step 1: Write the proportion equation
272,586.99 : 408,880.38 = 72,902.19 : x - Step 2: Convert to fraction form
272,586.99/408,880.38 = 72,902.19/x - Step 3: Cross multiply
272,586.99x = 408,880.38 × 72,902.19 - Step 4: Simplify right side
272,586.99x = 29,808,275,150.03 - Step 5: Solve for x
x = 29,808,275,150.03/272,586.99 - Step 6: Final answer
x = 109,353.26
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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.