Finding the Fourth Proportional to 194,445.36, 268,356.24 and 122,821.92
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Solution
The fourth proportional to 194,445.36, 268,356.24 and 122,821.92 is: 169,507.92
Step by Step Solution
- Step 1: Write the proportion equation
194,445.36 : 268,356.24 = 122,821.92 : x - Step 2: Convert to fraction form
194,445.36/268,356.24 = 122,821.92/x - Step 3: Cross multiply
194,445.36x = 268,356.24 × 122,821.92 - Step 4: Simplify right side
194,445.36x = 32,960,028,640.78 - Step 5: Solve for x
x = 32,960,028,640.78/194,445.36 - Step 6: Final answer
x = 169,507.92
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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.