Finding the Fourth Proportional to 146,212.08, 201,773.52 and 79,144.08
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Solution
The fourth proportional to 146,212.08, 201,773.52 and 79,144.08 is: 109,219.29
Step by Step Solution
- Step 1: Write the proportion equation
146,212.08 : 201,773.52 = 79,144.08 : x - Step 2: Convert to fraction form
146,212.08/201,773.52 = 79,144.08/x - Step 3: Cross multiply
146,212.08x = 201,773.52 × 79,144.08 - Step 4: Simplify right side
146,212.08x = 15,969,179,608.76 - Step 5: Solve for x
x = 15,969,179,608.76/146,212.08 - Step 6: Final answer
x = 109,219.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.