Finding the Fourth Proportional to 203,334.12, 280,596.30 and 118,445.70
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Solution
The fourth proportional to 203,334.12, 280,596.30 and 118,445.70 is: 163,452.28
Step by Step Solution
- Step 1: Write the proportion equation
203,334.12 : 280,596.30 = 118,445.70 : x - Step 2: Convert to fraction form
203,334.12/280,596.30 = 118,445.70/x - Step 3: Cross multiply
203,334.12x = 280,596.30 × 118,445.70 - Step 4: Simplify right side
203,334.12x = 33,235,425,170.91 - Step 5: Solve for x
x = 33,235,425,170.91/203,334.12 - Step 6: Final answer
x = 163,452.28
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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.