Finding the Fourth Proportional to 356,194.26, 491,594.67 and 203,197.14
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Solution
The fourth proportional to 356,194.26, 491,594.67 and 203,197.14 is: 280,438.63
Step by Step Solution
- Step 1: Write the proportion equation
356,194.26 : 491,594.67 = 203,197.14 : x - Step 2: Convert to fraction form
356,194.26/491,594.67 = 203,197.14/x - Step 3: Cross multiply
356,194.26x = 491,594.67 × 203,197.14 - Step 4: Simplify right side
356,194.26x = 99,890,630,983.24 - Step 5: Solve for x
x = 99,890,630,983.24/356,194.26 - Step 6: Final answer
x = 280,438.63
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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.