Finding the Fourth Proportional to 239,539.36, 330,566.88 and 132,113.92
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Solution
The fourth proportional to 239,539.36, 330,566.88 and 132,113.92 is: 182,318.62
Step by Step Solution
- Step 1: Write the proportion equation
239,539.36 : 330,566.88 = 132,113.92 : x - Step 2: Convert to fraction form
239,539.36/330,566.88 = 132,113.92/x - Step 3: Cross multiply
239,539.36x = 330,566.88 × 132,113.92 - Step 4: Simplify right side
239,539.36x = 43,672,486,338.97 - Step 5: Solve for x
x = 43,672,486,338.97/239,539.36 - Step 6: Final answer
x = 182,318.62
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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.