Finding the Fourth Proportional to 239,934.11, 331,107.95 and 132,503.67
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Solution
The fourth proportional to 239,934.11, 331,107.95 and 132,503.67 is: 182,854.45
Step by Step Solution
- Step 1: Write the proportion equation
239,934.11 : 331,107.95 = 132,503.67 : x - Step 2: Convert to fraction form
239,934.11/331,107.95 = 132,503.67/x - Step 3: Cross multiply
239,934.11x = 331,107.95 × 132,503.67 - Step 4: Simplify right side
239,934.11x = 43,873,018,872.44 - Step 5: Solve for x
x = 43,873,018,872.44/239,934.11 - Step 6: Final answer
x = 182,854.45
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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.