Finding the Fourth Proportional to 239,487.81, 330,486.11 and 132,057.82
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Solution
The fourth proportional to 239,487.81, 330,486.11 and 132,057.82 is: 182,235.89
Step by Step Solution
- Step 1: Write the proportion equation
239,487.81 : 330,486.11 = 132,057.82 : x - Step 2: Convert to fraction form
239,487.81/330,486.11 = 132,057.82/x - Step 3: Cross multiply
239,487.81x = 330,486.11 × 132,057.82 - Step 4: Simplify right side
239,487.81x = 43,643,275,102.54 - Step 5: Solve for x
x = 43,643,275,102.54/239,487.81 - Step 6: Final answer
x = 182,235.89
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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.