Finding the Fourth Proportional to 247,921.26, 342,129.74 and 134,744.01
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Solution
The fourth proportional to 247,921.26, 342,129.74 and 134,744.01 is: 185,945.86
Step by Step Solution
- Step 1: Write the proportion equation
247,921.26 : 342,129.74 = 134,744.01 : x - Step 2: Convert to fraction form
247,921.26/342,129.74 = 134,744.01/x - Step 3: Cross multiply
247,921.26x = 342,129.74 × 134,744.01 - Step 4: Simplify right side
247,921.26x = 46,099,932,434.14 - Step 5: Solve for x
x = 46,099,932,434.14/247,921.26 - Step 6: Final answer
x = 185,945.86
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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.