Finding the Fourth Proportional to 247,608.53, 371,304.62 and 87,631.29
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Solution
The fourth proportional to 247,608.53, 371,304.62 and 87,631.29 is: 131,408.65
Step by Step Solution
- Step 1: Write the proportion equation
247,608.53 : 371,304.62 = 87,631.29 : x - Step 2: Convert to fraction form
247,608.53/371,304.62 = 87,631.29/x - Step 3: Cross multiply
247,608.53x = 371,304.62 × 87,631.29 - Step 4: Simplify right side
247,608.53x = 32,537,902,395.40 - Step 5: Solve for x
x = 32,537,902,395.40/247,608.53 - Step 6: Final answer
x = 131,408.65
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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.