Finding the Fourth Proportional to 134,820.40, 202,230.60 and 68,465.20
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Solution
The fourth proportional to 134,820.40, 202,230.60 and 68,465.20 is: 102,697.80
Step by Step Solution
- Step 1: Write the proportion equation
134,820.40 : 202,230.60 = 68,465.20 : x - Step 2: Convert to fraction form
134,820.40/202,230.60 = 68,465.20/x - Step 3: Cross multiply
134,820.40x = 202,230.60 × 68,465.20 - Step 4: Simplify right side
134,820.40x = 13,845,758,475.12 - Step 5: Solve for x
x = 13,845,758,475.12/134,820.40 - Step 6: Final answer
x = 102,697.80
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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.