Finding the Fourth Proportional to 97,937.97, 146,902.85 and 31,376.62
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Solution
The fourth proportional to 97,937.97, 146,902.85 and 31,376.62 is: 47,063.62
Step by Step Solution
- Step 1: Write the proportion equation
97,937.97 : 146,902.85 = 31,376.62 : x - Step 2: Convert to fraction form
97,937.97/146,902.85 = 31,376.62/x - Step 3: Cross multiply
97,937.97x = 146,902.85 × 31,376.62 - Step 4: Simplify right side
97,937.97x = 4,609,315,458.94 - Step 5: Solve for x
x = 4,609,315,458.94/97,937.97 - Step 6: Final answer
x = 47,063.62
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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.