Finding the Fourth Proportional to 239,394.09, 330,349.01 and 131,958.57
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Solution
The fourth proportional to 239,394.09, 330,349.01 and 131,958.57 is: 182,094.65
Step by Step Solution
- Step 1: Write the proportion equation
239,394.09 : 330,349.01 = 131,958.57 : x - Step 2: Convert to fraction form
239,394.09/330,349.01 = 131,958.57/x - Step 3: Cross multiply
239,394.09x = 330,349.01 × 131,958.57 - Step 4: Simplify right side
239,394.09x = 43,592,382,300.72 - Step 5: Solve for x
x = 43,592,382,300.72/239,394.09 - Step 6: Final answer
x = 182,094.65
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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.