Finding the Fourth Proportional to 239,629.19, 330,689.39 and 132,199.19
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Solution
The fourth proportional to 239,629.19, 330,689.39 and 132,199.19 is: 182,435.49
Step by Step Solution
- Step 1: Write the proportion equation
239,629.19 : 330,689.39 = 132,199.19 : x - Step 2: Convert to fraction form
239,629.19/330,689.39 = 132,199.19/x - Step 3: Cross multiply
239,629.19x = 330,689.39 × 132,199.19 - Step 4: Simplify right side
239,629.19x = 43,716,868,425.24 - Step 5: Solve for x
x = 43,716,868,425.24/239,629.19 - Step 6: Final answer
x = 182,435.49
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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.