Finding the Fourth Proportional to 239,621.80, 330,673.98 and 132,202.12
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Solution
The fourth proportional to 239,621.80, 330,673.98 and 132,202.12 is: 182,436.66
Step by Step Solution
- Step 1: Write the proportion equation
239,621.80 : 330,673.98 = 132,202.12 : x - Step 2: Convert to fraction form
239,621.80/330,673.98 = 132,202.12/x - Step 3: Cross multiply
239,621.80x = 330,673.98 × 132,202.12 - Step 4: Simplify right side
239,621.80x = 43,715,801,184.84 - Step 5: Solve for x
x = 43,715,801,184.84/239,621.80 - Step 6: Final answer
x = 182,436.66
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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.