Finding the Fourth Proportional to 202,639.68, 303,627.42 and 69,448.14
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Solution
The fourth proportional to 202,639.68, 303,627.42 and 69,448.14 is: 104,058.39
Step by Step Solution
- Step 1: Write the proportion equation
202,639.68 : 303,627.42 = 69,448.14 : x - Step 2: Convert to fraction form
202,639.68/303,627.42 = 69,448.14/x - Step 3: Cross multiply
202,639.68x = 303,627.42 × 69,448.14 - Step 4: Simplify right side
202,639.68x = 21,086,359,572.00 - Step 5: Solve for x
x = 21,086,359,572.00/202,639.68 - Step 6: Final answer
x = 104,058.39
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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.