Finding the Fourth Proportional to 239,876.49, 331,027.40 and 132,444.20
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Solution
The fourth proportional to 239,876.49, 331,027.40 and 132,444.20 is: 182,771.80
Step by Step Solution
- Step 1: Write the proportion equation
239,876.49 : 331,027.40 = 132,444.20 : x - Step 2: Convert to fraction form
239,876.49/331,027.40 = 132,444.20/x - Step 3: Cross multiply
239,876.49x = 331,027.40 × 132,444.20 - Step 4: Simplify right side
239,876.49x = 43,842,656,853.72 - Step 5: Solve for x
x = 43,842,656,853.72/239,876.49 - Step 6: Final answer
x = 182,771.80
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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.