Finding the Fourth Proportional to 434,324.80, 650,104.80 and 309,908.80
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Solution
The fourth proportional to 434,324.80, 650,104.80 and 309,908.80 is: 463,876.80
Step by Step Solution
- Step 1: Write the proportion equation
434,324.80 : 650,104.80 = 309,908.80 : x - Step 2: Convert to fraction form
434,324.80/650,104.80 = 309,908.80/x - Step 3: Cross multiply
434,324.80x = 650,104.80 × 309,908.80 - Step 4: Simplify right side
434,324.80x = 201,473,198,442.24 - Step 5: Solve for x
x = 201,473,198,442.24/434,324.80 - Step 6: Final answer
x = 463,876.80
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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.