Finding the Fourth Proportional to 239,821.23, 330,955.98 and 132,391.32
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Solution
The fourth proportional to 239,821.23, 330,955.98 and 132,391.32 is: 182,701.50
Step by Step Solution
- Step 1: Write the proportion equation
239,821.23 : 330,955.98 = 132,391.32 : x - Step 2: Convert to fraction form
239,821.23/330,955.98 = 132,391.32/x - Step 3: Cross multiply
239,821.23x = 330,955.98 × 132,391.32 - Step 4: Simplify right side
239,821.23x = 43,815,699,054.09 - Step 5: Solve for x
x = 43,815,699,054.09/239,821.23 - Step 6: Final answer
x = 182,701.50
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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.