Finding the Fourth Proportional to 239,630.31, 330,687.63 and 132,201.18
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Solution
The fourth proportional to 239,630.31, 330,687.63 and 132,201.18 is: 182,436.42
Step by Step Solution
- Step 1: Write the proportion equation
239,630.31 : 330,687.63 = 132,201.18 : x - Step 2: Convert to fraction form
239,630.31/330,687.63 = 132,201.18/x - Step 3: Cross multiply
239,630.31x = 330,687.63 × 132,201.18 - Step 4: Simplify right side
239,630.31x = 43,717,294,897.40 - Step 5: Solve for x
x = 43,717,294,897.40/239,630.31 - Step 6: Final answer
x = 182,436.42
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1.5x scale
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.