Finding the Fourth Proportional to 115,704.13, 173,582.25 and 40,829.62
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Solution
The fourth proportional to 115,704.13, 173,582.25 and 40,829.62 is: 61,253.62
Step by Step Solution
- Step 1: Write the proportion equation
115,704.13 : 173,582.25 = 40,829.62 : x - Step 2: Convert to fraction form
115,704.13/173,582.25 = 40,829.62/x - Step 3: Cross multiply
115,704.13x = 173,582.25 × 40,829.62 - Step 4: Simplify right side
115,704.13x = 7,087,297,306.25 - Step 5: Solve for x
x = 7,087,297,306.25/115,704.13 - Step 6: Final answer
x = 61,253.62
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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.