Finding the Fourth Proportional to 219,759.11, 329,651.42 and 84,823.95
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Solution
The fourth proportional to 219,759.11, 329,651.42 and 84,823.95 is: 127,240.85
Step by Step Solution
- Step 1: Write the proportion equation
219,759.11 : 329,651.42 = 84,823.95 : x - Step 2: Convert to fraction form
219,759.11/329,651.42 = 84,823.95/x - Step 3: Cross multiply
219,759.11x = 329,651.42 × 84,823.95 - Step 4: Simplify right side
219,759.11x = 27,962,335,567.51 - Step 5: Solve for x
x = 27,962,335,567.51/219,759.11 - Step 6: Final answer
x = 127,240.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.