Finding the Fourth Proportional to 239,832.13, 330,966.36 and 132,399.88
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Solution
The fourth proportional to 239,832.13, 330,966.36 and 132,399.88 is: 182,710.74
Step by Step Solution
- Step 1: Write the proportion equation
239,832.13 : 330,966.36 = 132,399.88 : x - Step 2: Convert to fraction form
239,832.13/330,966.36 = 132,399.88/x - Step 3: Cross multiply
239,832.13x = 330,966.36 × 132,399.88 - Step 4: Simplify right side
239,832.13x = 43,819,906,348.04 - Step 5: Solve for x
x = 43,819,906,348.04/239,832.13 - Step 6: Final answer
x = 182,710.74
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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.