Finding the Fourth Proportional to 202,205.70, 303,114.15 and 157,202.10
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Solution
The fourth proportional to 202,205.70, 303,114.15 and 157,202.10 is: 235,652.02
Step by Step Solution
- Step 1: Write the proportion equation
202,205.70 : 303,114.15 = 157,202.10 : x - Step 2: Convert to fraction form
202,205.70/303,114.15 = 157,202.10/x - Step 3: Cross multiply
202,205.70x = 303,114.15 × 157,202.10 - Step 4: Simplify right side
202,205.70x = 47,650,180,919.72 - Step 5: Solve for x
x = 47,650,180,919.72/202,205.70 - Step 6: Final answer
x = 235,652.02
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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.