Finding the Fourth Proportional to 239,476.10, 330,470.69 and 132,044.31
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Solution
The fourth proportional to 239,476.10, 330,470.69 and 132,044.31 is: 182,217.66
Step by Step Solution
- Step 1: Write the proportion equation
239,476.10 : 330,470.69 = 132,044.31 : x - Step 2: Convert to fraction form
239,476.10/330,470.69 = 132,044.31/x - Step 3: Cross multiply
239,476.10x = 330,470.69 × 132,044.31 - Step 4: Simplify right side
239,476.10x = 43,636,773,576.05 - Step 5: Solve for x
x = 43,636,773,576.05/239,476.10 - Step 6: Final answer
x = 182,217.66
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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.