Finding the Fourth Proportional to 187,629.95, 281,517.07 and 112,801.75
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Solution
The fourth proportional to 187,629.95, 281,517.07 and 112,801.75 is: 169,245.99
Step by Step Solution
- Step 1: Write the proportion equation
187,629.95 : 281,517.07 = 112,801.75 : x - Step 2: Convert to fraction form
187,629.95/281,517.07 = 112,801.75/x - Step 3: Cross multiply
187,629.95x = 281,517.07 × 112,801.75 - Step 4: Simplify right side
187,629.95x = 31,755,617,376.58 - Step 5: Solve for x
x = 31,755,617,376.58/187,629.95 - Step 6: Final answer
x = 169,245.99
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1.5x scale
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.