Finding the Fourth Proportional to 115,635.48, 173,464.74 and 31,396.99
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Solution
The fourth proportional to 115,635.48, 173,464.74 and 31,396.99 is: 47,098.61
Step by Step Solution
- Step 1: Write the proportion equation
115,635.48 : 173,464.74 = 31,396.99 : x - Step 2: Convert to fraction form
115,635.48/173,464.74 = 31,396.99/x - Step 3: Cross multiply
115,635.48x = 173,464.74 × 31,396.99 - Step 4: Simplify right side
115,635.48x = 5,446,270,707.13 - Step 5: Solve for x
x = 5,446,270,707.13/115,635.48 - Step 6: Final answer
x = 47,098.61
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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.