Finding the Fourth Proportional to 226,477.10, 339,748.05 and 68,717.90
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Solution
The fourth proportional to 226,477.10, 339,748.05 and 68,717.90 is: 103,086.68
Step by Step Solution
- Step 1: Write the proportion equation
226,477.10 : 339,748.05 = 68,717.90 : x - Step 2: Convert to fraction form
226,477.10/339,748.05 = 68,717.90/x - Step 3: Cross multiply
226,477.10x = 339,748.05 × 68,717.90 - Step 4: Simplify right side
226,477.10x = 23,346,772,525.10 - Step 5: Solve for x
x = 23,346,772,525.10/226,477.10 - Step 6: Final answer
x = 103,086.68
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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.