Finding the Fourth Proportional to 239,876.37, 331,020.71 and 132,444.09
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Solution
The fourth proportional to 239,876.37, 331,020.71 and 132,444.09 is: 182,768.06
Step by Step Solution
- Step 1: Write the proportion equation
239,876.37 : 331,020.71 = 132,444.09 : x - Step 2: Convert to fraction form
239,876.37/331,020.71 = 132,444.09/x - Step 3: Cross multiply
239,876.37x = 331,020.71 × 132,444.09 - Step 4: Simplify right side
239,876.37x = 43,841,737,565.79 - Step 5: Solve for x
x = 43,841,737,565.79/239,876.37 - Step 6: Final answer
x = 182,768.06
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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.