Finding the Fourth Proportional to 212,453.24, 318,876.78 and 107,346.08
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Solution
The fourth proportional to 212,453.24, 318,876.78 and 107,346.08 is: 161,118.62
Step by Step Solution
- Step 1: Write the proportion equation
212,453.24 : 318,876.78 = 107,346.08 : x - Step 2: Convert to fraction form
212,453.24/318,876.78 = 107,346.08/x - Step 3: Cross multiply
212,453.24x = 318,876.78 × 107,346.08 - Step 4: Simplify right side
212,453.24x = 34,230,172,336.02 - Step 5: Solve for x
x = 34,230,172,336.02/212,453.24 - Step 6: Final answer
x = 161,118.62
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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.