Finding the Fourth Proportional to 239,573.72, 330,605.94 and 132,141.44
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Solution
The fourth proportional to 239,573.72, 330,605.94 and 132,141.44 is: 182,351.99
Step by Step Solution
- Step 1: Write the proportion equation
239,573.72 : 330,605.94 = 132,141.44 : x - Step 2: Convert to fraction form
239,573.72/330,605.94 = 132,141.44/x - Step 3: Cross multiply
239,573.72x = 330,605.94 × 132,141.44 - Step 4: Simplify right side
239,573.72x = 43,686,744,323.45 - Step 5: Solve for x
x = 43,686,744,323.45/239,573.72 - Step 6: Final answer
x = 182,351.99
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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.