Finding the Fourth Proportional to 202,190.10, 303,285.15 and 199,565.70
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Solution
The fourth proportional to 202,190.10, 303,285.15 and 199,565.70 is: 299,348.55
Step by Step Solution
- Step 1: Write the proportion equation
202,190.10 : 303,285.15 = 199,565.70 : x - Step 2: Convert to fraction form
202,190.10/303,285.15 = 199,565.70/x - Step 3: Cross multiply
202,190.10x = 303,285.15 × 199,565.70 - Step 4: Simplify right side
202,190.10x = 60,525,313,259.36 - Step 5: Solve for x
x = 60,525,313,259.36/202,190.10 - Step 6: Final answer
x = 299,348.55
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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.