Finding the Fourth Proportional to 205,314.75, 283,334.49 and 115,890.75
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Solution
The fourth proportional to 205,314.75, 283,334.49 and 115,890.75 is: 159,929.31
Step by Step Solution
- Step 1: Write the proportion equation
205,314.75 : 283,334.49 = 115,890.75 : x - Step 2: Convert to fraction form
205,314.75/283,334.49 = 115,890.75/x - Step 3: Cross multiply
205,314.75x = 283,334.49 × 115,890.75 - Step 4: Simplify right side
205,314.75x = 32,835,846,546.97 - Step 5: Solve for x
x = 32,835,846,546.97/205,314.75 - Step 6: Final answer
x = 159,929.31
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1.5x scale
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.