Finding the Fourth Proportional to 205,684.92, 283,843.08 and 115,040.66
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Solution
The fourth proportional to 205,684.92, 283,843.08 and 115,040.66 is: 158,754.94
Step by Step Solution
- Step 1: Write the proportion equation
205,684.92 : 283,843.08 = 115,040.66 : x - Step 2: Convert to fraction form
205,684.92/283,843.08 = 115,040.66/x - Step 3: Cross multiply
205,684.92x = 283,843.08 × 115,040.66 - Step 4: Simplify right side
205,684.92x = 32,653,496,775.29 - Step 5: Solve for x
x = 32,653,496,775.29/205,684.92 - Step 6: Final answer
x = 158,754.94
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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.