Finding the Fourth Proportional to 202,943.26, 304,416.93 and 90,629.17
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Solution
The fourth proportional to 202,943.26, 304,416.93 and 90,629.17 is: 135,944.66
Step by Step Solution
- Step 1: Write the proportion equation
202,943.26 : 304,416.93 = 90,629.17 : x - Step 2: Convert to fraction form
202,943.26/304,416.93 = 90,629.17/x - Step 3: Cross multiply
202,943.26x = 304,416.93 × 90,629.17 - Step 4: Simplify right side
202,943.26x = 27,589,052,177.76 - Step 5: Solve for x
x = 27,589,052,177.76/202,943.26 - Step 6: Final answer
x = 135,944.66
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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.