Finding the Fourth Proportional to 204,612.56, 305,732.74 and 160,133.84
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Solution
The fourth proportional to 204,612.56, 305,732.74 and 160,133.84 is: 239,272.49
Step by Step Solution
- Step 1: Write the proportion equation
204,612.56 : 305,732.74 = 160,133.84 : x - Step 2: Convert to fraction form
204,612.56/305,732.74 = 160,133.84/x - Step 3: Cross multiply
204,612.56x = 305,732.74 × 160,133.84 - Step 4: Simplify right side
204,612.56x = 48,958,157,669.92 - Step 5: Solve for x
x = 48,958,157,669.92/204,612.56 - Step 6: Final answer
x = 239,272.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.