Finding the Fourth Proportional to 235,451.28, 353,168.99 and 102,331.55
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Solution
The fourth proportional to 235,451.28, 353,168.99 and 102,331.55 is: 153,493.88
Step by Step Solution
- Step 1: Write the proportion equation
235,451.28 : 353,168.99 = 102,331.55 : x - Step 2: Convert to fraction form
235,451.28/353,168.99 = 102,331.55/x - Step 3: Cross multiply
235,451.28x = 353,168.99 × 102,331.55 - Step 4: Simplify right side
235,451.28x = 36,140,330,625.84 - Step 5: Solve for x
x = 36,140,330,625.84/235,451.28 - Step 6: Final answer
x = 153,493.88
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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.