Finding the Fourth Proportional to 202,438.13, 303,841.46 and 107,747.81
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Solution
The fourth proportional to 202,438.13, 303,841.46 and 107,747.81 is: 161,719.78
Step by Step Solution
- Step 1: Write the proportion equation
202,438.13 : 303,841.46 = 107,747.81 : x - Step 2: Convert to fraction form
202,438.13/303,841.46 = 107,747.81/x - Step 3: Cross multiply
202,438.13x = 303,841.46 × 107,747.81 - Step 4: Simplify right side
202,438.13x = 32,738,249,844.26 - Step 5: Solve for x
x = 32,738,249,844.26/202,438.13 - Step 6: Final answer
x = 161,719.78
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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.