Finding the Fourth Proportional to 307,635.20, 461,452.80 and 202,572.80
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Solution
The fourth proportional to 307,635.20, 461,452.80 and 202,572.80 is: 303,859.20
Step by Step Solution
- Step 1: Write the proportion equation
307,635.20 : 461,452.80 = 202,572.80 : x - Step 2: Convert to fraction form
307,635.20/461,452.80 = 202,572.80/x - Step 3: Cross multiply
307,635.20x = 461,452.80 × 202,572.80 - Step 4: Simplify right side
307,635.20x = 93,477,785,763.84 - Step 5: Solve for x
x = 93,477,785,763.84/307,635.20 - Step 6: Final answer
x = 303,859.20
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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.