Finding the Fourth Proportional to 202,465.20, 303,971.40 and 118,311.60
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Solution
The fourth proportional to 202,465.20, 303,971.40 and 118,311.60 is: 177,627.28
Step by Step Solution
- Step 1: Write the proportion equation
202,465.20 : 303,971.40 = 118,311.60 : x - Step 2: Convert to fraction form
202,465.20/303,971.40 = 118,311.60/x - Step 3: Cross multiply
202,465.20x = 303,971.40 × 118,311.60 - Step 4: Simplify right side
202,465.20x = 35,963,342,688.24 - Step 5: Solve for x
x = 35,963,342,688.24/202,465.20 - Step 6: Final answer
x = 177,627.28
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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.