Finding the Fourth Proportional to 239,713.68, 330,804.57 and 132,283.74
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Solution
The fourth proportional to 239,713.68, 330,804.57 and 132,283.74 is: 182,551.39
Step by Step Solution
- Step 1: Write the proportion equation
239,713.68 : 330,804.57 = 132,283.74 : x - Step 2: Convert to fraction form
239,713.68/330,804.57 = 132,283.74/x - Step 3: Cross multiply
239,713.68x = 330,804.57 × 132,283.74 - Step 4: Simplify right side
239,713.68x = 43,760,065,728.69 - Step 5: Solve for x
x = 43,760,065,728.69/239,713.68 - Step 6: Final answer
x = 182,551.39
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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.