Finding the Fourth Proportional to 147,714.75, 203,847.17 and 80,646.75
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Solution
The fourth proportional to 147,714.75, 203,847.17 and 80,646.75 is: 111,292.96
Step by Step Solution
- Step 1: Write the proportion equation
147,714.75 : 203,847.17 = 80,646.75 : x - Step 2: Convert to fraction form
147,714.75/203,847.17 = 80,646.75/x - Step 3: Cross multiply
147,714.75x = 203,847.17 × 80,646.75 - Step 4: Simplify right side
147,714.75x = 16,439,611,353.96 - Step 5: Solve for x
x = 16,439,611,353.96/147,714.75 - Step 6: Final answer
x = 111,292.96
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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.