Finding the Fourth Proportional to 134,824.60, 202,236.90 and 129,640.60
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Solution
The fourth proportional to 134,824.60, 202,236.90 and 129,640.60 is: 194,460.90
Step by Step Solution
- Step 1: Write the proportion equation
134,824.60 : 202,236.90 = 129,640.60 : x - Step 2: Convert to fraction form
134,824.60/202,236.90 = 129,640.60/x - Step 3: Cross multiply
134,824.60x = 202,236.90 × 129,640.60 - Step 4: Simplify right side
134,824.60x = 26,218,113,058.14 - Step 5: Solve for x
x = 26,218,113,058.14/134,824.60 - Step 6: Final answer
x = 194,460.90
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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.