Finding the Fourth Proportional to 769,074.18, 1,153,614.12 and 236,591.52
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Solution
The fourth proportional to 769,074.18, 1,153,614.12 and 236,591.52 is: 354,888.16
Step by Step Solution
- Step 1: Write the proportion equation
769,074.18 : 1,153,614.12 = 236,591.52 : x - Step 2: Convert to fraction form
769,074.18/1,153,614.12 = 236,591.52/x - Step 3: Cross multiply
769,074.18x = 1,153,614.12 × 236,591.52 - Step 4: Simplify right side
769,074.18x = 272,935,318,144.26 - Step 5: Solve for x
x = 272,935,318,144.26/769,074.18 - Step 6: Final answer
x = 354,888.16
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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.