Finding the Fourth Proportional to 239,778.04, 330,872.74 and 153,584.97
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Solution
The fourth proportional to 239,778.04, 330,872.74 and 153,584.97 is: 211,933.84
Step by Step Solution
- Step 1: Write the proportion equation
239,778.04 : 330,872.74 = 153,584.97 : x - Step 2: Convert to fraction form
239,778.04/330,872.74 = 153,584.97/x - Step 3: Cross multiply
239,778.04x = 330,872.74 × 153,584.97 - Step 4: Simplify right side
239,778.04x = 50,817,079,846.72 - Step 5: Solve for x
x = 50,817,079,846.72/239,778.04 - Step 6: Final answer
x = 211,933.84
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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.