Finding the Fourth Proportional to 239,387.99, 330,340.43 and 131,958.95
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Solution
The fourth proportional to 239,387.99, 330,340.43 and 131,958.95 is: 182,095.08
Step by Step Solution
- Step 1: Write the proportion equation
239,387.99 : 330,340.43 = 131,958.95 : x - Step 2: Convert to fraction form
239,387.99/330,340.43 = 131,958.95/x - Step 3: Cross multiply
239,387.99x = 330,340.43 × 131,958.95 - Step 4: Simplify right side
239,387.99x = 43,591,375,625.55 - Step 5: Solve for x
x = 43,591,375,625.55/239,387.99 - Step 6: Final answer
x = 182,095.08
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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.