Finding the Fourth Proportional to 239,807.90, 330,937.20 and 132,375.62
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Solution
The fourth proportional to 239,807.90, 330,937.20 and 132,375.62 is: 182,679.63
Step by Step Solution
- Step 1: Write the proportion equation
239,807.90 : 330,937.20 = 132,375.62 : x - Step 2: Convert to fraction form
239,807.90/330,937.20 = 132,375.62/x - Step 3: Cross multiply
239,807.90x = 330,937.20 × 132,375.62 - Step 4: Simplify right side
239,807.90x = 43,808,017,858.41 - Step 5: Solve for x
x = 43,808,017,858.41/239,807.90 - Step 6: Final answer
x = 182,679.63
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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.