Finding the Fourth Proportional to 202,018.38, 278,585.62 and 171,474.88
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Solution
The fourth proportional to 202,018.38, 278,585.62 and 171,474.88 is: 236,465.79
Step by Step Solution
- Step 1: Write the proportion equation
202,018.38 : 278,585.62 = 171,474.88 : x - Step 2: Convert to fraction form
202,018.38/278,585.62 = 171,474.88/x - Step 3: Cross multiply
202,018.38x = 278,585.62 × 171,474.88 - Step 4: Simplify right side
202,018.38x = 47,770,435,759.23 - Step 5: Solve for x
x = 47,770,435,759.23/202,018.38 - Step 6: Final answer
x = 236,465.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.