Finding the Fourth Proportional to 341,639.20, 512,458.80 and 229,664.80
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Solution
The fourth proportional to 341,639.20, 512,458.80 and 229,664.80 is: 344,497.20
Step by Step Solution
- Step 1: Write the proportion equation
341,639.20 : 512,458.80 = 229,664.80 : x - Step 2: Convert to fraction form
341,639.20/512,458.80 = 229,664.80/x - Step 3: Cross multiply
341,639.20x = 512,458.80 × 229,664.80 - Step 4: Simplify right side
341,639.20x = 117,693,747,810.24 - Step 5: Solve for x
x = 117,693,747,810.24/341,639.20 - Step 6: Final answer
x = 344,497.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.