Finding the Fourth Proportional to 387,245.87, 581,096.36 and 162,589.03
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Solution
The fourth proportional to 387,245.87, 581,096.36 and 162,589.03 is: 243,979.09
Step by Step Solution
- Step 1: Write the proportion equation
387,245.87 : 581,096.36 = 162,589.03 : x - Step 2: Convert to fraction form
387,245.87/581,096.36 = 162,589.03/x - Step 3: Cross multiply
387,245.87x = 581,096.36 × 162,589.03 - Step 4: Simplify right side
387,245.87x = 94,479,894,816.77 - Step 5: Solve for x
x = 94,479,894,816.77/387,245.87 - Step 6: Final answer
x = 243,979.09
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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.