Finding the Fourth Proportional to 263,639.12, 363,847.96 and 150,478.88
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Solution
The fourth proportional to 263,639.12, 363,847.96 and 150,478.88 is: 207,675.68
Step by Step Solution
- Step 1: Write the proportion equation
263,639.12 : 363,847.96 = 150,478.88 : x - Step 2: Convert to fraction form
263,639.12/363,847.96 = 150,478.88/x - Step 3: Cross multiply
263,639.12x = 363,847.96 × 150,478.88 - Step 4: Simplify right side
263,639.12x = 54,751,433,511.08 - Step 5: Solve for x
x = 54,751,433,511.08/263,639.12 - Step 6: Final answer
x = 207,675.68
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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.