Finding the Fourth Proportional to 239,787.82, 330,907.20 and 132,357.88
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Solution
The fourth proportional to 239,787.82, 330,907.20 and 132,357.88 is: 182,653.88
Step by Step Solution
- Step 1: Write the proportion equation
239,787.82 : 330,907.20 = 132,357.88 : x - Step 2: Convert to fraction form
239,787.82/330,907.20 = 132,357.88/x - Step 3: Cross multiply
239,787.82x = 330,907.20 × 132,357.88 - Step 4: Simplify right side
239,787.82x = 43,798,173,814.20 - Step 5: Solve for x
x = 43,798,173,814.20/239,787.82 - Step 6: Final answer
x = 182,653.88
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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.