Finding the Fourth Proportional to 202,343.70, 303,321.15 and 157,340.10
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Solution
The fourth proportional to 202,343.70, 303,321.15 and 157,340.10 is: 235,858.99
Step by Step Solution
- Step 1: Write the proportion equation
202,343.70 : 303,321.15 = 157,340.10 : x - Step 2: Convert to fraction form
202,343.70/303,321.15 = 157,340.10/x - Step 3: Cross multiply
202,343.70x = 303,321.15 × 157,340.10 - Step 4: Simplify right side
202,343.70x = 47,724,580,073.12 - Step 5: Solve for x
x = 47,724,580,073.12/202,343.70 - Step 6: Final answer
x = 235,858.99
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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.