Finding the Fourth Proportional to 220,194.78, 329,968.08 and 98,467.62
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Solution
The fourth proportional to 220,194.78, 329,968.08 and 98,467.62 is: 147,556.50
Step by Step Solution
- Step 1: Write the proportion equation
220,194.78 : 329,968.08 = 98,467.62 : x - Step 2: Convert to fraction form
220,194.78/329,968.08 = 98,467.62/x - Step 3: Cross multiply
220,194.78x = 329,968.08 × 98,467.62 - Step 4: Simplify right side
220,194.78x = 32,491,171,513.57 - Step 5: Solve for x
x = 32,491,171,513.57/220,194.78 - Step 6: Final answer
x = 147,556.50
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1.5x scale
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.