Finding the Fourth Proportional to 239,812.13, 330,943.07 and 132,379.85
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Solution
The fourth proportional to 239,812.13, 330,943.07 and 132,379.85 is: 182,685.48
Step by Step Solution
- Step 1: Write the proportion equation
239,812.13 : 330,943.07 = 132,379.85 : x - Step 2: Convert to fraction form
239,812.13/330,943.07 = 132,379.85/x - Step 3: Cross multiply
239,812.13x = 330,943.07 × 132,379.85 - Step 4: Simplify right side
239,812.13x = 43,810,193,965.14 - Step 5: Solve for x
x = 43,810,193,965.14/239,812.13 - Step 6: Final answer
x = 182,685.48
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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.