Finding the Fourth Proportional to 272,527.99, 408,795.63 and 85,539.49
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Solution
The fourth proportional to 272,527.99, 408,795.63 and 85,539.49 is: 128,310.38
Step by Step Solution
- Step 1: Write the proportion equation
272,527.99 : 408,795.63 = 85,539.49 : x - Step 2: Convert to fraction form
272,527.99/408,795.63 = 85,539.49/x - Step 3: Cross multiply
272,527.99x = 408,795.63 × 85,539.49 - Step 4: Simplify right side
272,527.99x = 34,968,169,704.43 - Step 5: Solve for x
x = 34,968,169,704.43/272,527.99 - Step 6: Final answer
x = 128,310.38
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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.