Finding the Fourth Proportional to 115,537.80, 173,306.70 and 32,431.80
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Solution
The fourth proportional to 115,537.80, 173,306.70 and 32,431.80 is: 48,647.70
Step by Step Solution
- Step 1: Write the proportion equation
115,537.80 : 173,306.70 = 32,431.80 : x - Step 2: Convert to fraction form
115,537.80/173,306.70 = 32,431.80/x - Step 3: Cross multiply
115,537.80x = 173,306.70 × 32,431.80 - Step 4: Simplify right side
115,537.80x = 5,620,648,233.06 - Step 5: Solve for x
x = 5,620,648,233.06/115,537.80 - Step 6: Final answer
x = 48,647.70
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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.