Finding the Fourth Proportional to 353,356.44, 487,626.75 and 192,212.79
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Solution
The fourth proportional to 353,356.44, 487,626.75 and 192,212.79 is: 265,250.86
Step by Step Solution
- Step 1: Write the proportion equation
353,356.44 : 487,626.75 = 192,212.79 : x - Step 2: Convert to fraction form
353,356.44/487,626.75 = 192,212.79/x - Step 3: Cross multiply
353,356.44x = 487,626.75 × 192,212.79 - Step 4: Simplify right side
353,356.44x = 93,728,098,096.13 - Step 5: Solve for x
x = 93,728,098,096.13/353,356.44 - Step 6: Final answer
x = 265,250.86
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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.