Finding the Fourth Proportional to 239,193.14, 330,087.35 and 131,762.91
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Solution
The fourth proportional to 239,193.14, 330,087.35 and 131,762.91 is: 181,833.27
Step by Step Solution
- Step 1: Write the proportion equation
239,193.14 : 330,087.35 = 131,762.91 : x - Step 2: Convert to fraction form
239,193.14/330,087.35 = 131,762.91/x - Step 3: Cross multiply
239,193.14x = 330,087.35 × 131,762.91 - Step 4: Simplify right side
239,193.14x = 43,493,270,863.31 - Step 5: Solve for x
x = 43,493,270,863.31/239,193.14 - Step 6: Final answer
x = 181,833.27
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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.