Finding the Fourth Proportional to 479,193.18, 718,713.57 and 159,318.43
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Solution
The fourth proportional to 479,193.18, 718,713.57 and 159,318.43 is: 238,952.31
Step by Step Solution
- Step 1: Write the proportion equation
479,193.18 : 718,713.57 = 159,318.43 : x - Step 2: Convert to fraction form
479,193.18/718,713.57 = 159,318.43/x - Step 3: Cross multiply
479,193.18x = 718,713.57 × 159,318.43 - Step 4: Simplify right side
479,193.18x = 114,504,317,592.10 - Step 5: Solve for x
x = 114,504,317,592.10/479,193.18 - Step 6: Final answer
x = 238,952.31
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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.