Finding the Fourth Proportional to 239,669.10, 330,743.09 and 132,239.12
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Solution
The fourth proportional to 239,669.10, 330,743.09 and 132,239.12 is: 182,489.83
Step by Step Solution
- Step 1: Write the proportion equation
239,669.10 : 330,743.09 = 132,239.12 : x - Step 2: Convert to fraction form
239,669.10/330,743.09 = 132,239.12/x - Step 3: Cross multiply
239,669.10x = 330,743.09 × 132,239.12 - Step 4: Simplify right side
239,669.10x = 43,737,173,844.56 - Step 5: Solve for x
x = 43,737,173,844.56/239,669.10 - Step 6: Final answer
x = 182,489.83
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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.