Finding the Fourth Proportional to 239,549.47, 330,579.84 and 132,122.41
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Solution
The fourth proportional to 239,549.47, 330,579.84 and 132,122.41 is: 182,329.79
Step by Step Solution
- Step 1: Write the proportion equation
239,549.47 : 330,579.84 = 132,122.41 : x - Step 2: Convert to fraction form
239,549.47/330,579.84 = 132,122.41/x - Step 3: Cross multiply
239,549.47x = 330,579.84 × 132,122.41 - Step 4: Simplify right side
239,549.47x = 43,677,005,158.21 - Step 5: Solve for x
x = 43,677,005,158.21/239,549.47 - Step 6: Final answer
x = 182,329.79
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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.