Finding the Fourth Proportional to 239,715.26, 330,813.78 and 132,292.08
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Solution
The fourth proportional to 239,715.26, 330,813.78 and 132,292.08 is: 182,566.78
Step by Step Solution
- Step 1: Write the proportion equation
239,715.26 : 330,813.78 = 132,292.08 : x - Step 2: Convert to fraction form
239,715.26/330,813.78 = 132,292.08/x - Step 3: Cross multiply
239,715.26x = 330,813.78 × 132,292.08 - Step 4: Simplify right side
239,715.26x = 43,764,043,048.86 - Step 5: Solve for x
x = 43,764,043,048.86/239,715.26 - Step 6: Final answer
x = 182,566.78
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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.