Finding the Fourth Proportional to 205,671.78, 283,825.08 and 115,026.66
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Solution
The fourth proportional to 205,671.78, 283,825.08 and 115,026.66 is: 158,735.69
Step by Step Solution
- Step 1: Write the proportion equation
205,671.78 : 283,825.08 = 115,026.66 : x - Step 2: Convert to fraction form
205,671.78/283,825.08 = 115,026.66/x - Step 3: Cross multiply
205,671.78x = 283,825.08 × 115,026.66 - Step 4: Simplify right side
205,671.78x = 32,647,450,976.63 - Step 5: Solve for x
x = 32,647,450,976.63/205,671.78 - Step 6: Final answer
x = 158,735.69
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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.