Finding the Fourth Proportional to 217,121.52, 325,201.08 and 166,831.44
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Solution
The fourth proportional to 217,121.52, 325,201.08 and 166,831.44 is: 249,877.42
Step by Step Solution
- Step 1: Write the proportion equation
217,121.52 : 325,201.08 = 166,831.44 : x - Step 2: Convert to fraction form
217,121.52/325,201.08 = 166,831.44/x - Step 3: Cross multiply
217,121.52x = 325,201.08 × 166,831.44 - Step 4: Simplify right side
217,121.52x = 54,253,764,465.96 - Step 5: Solve for x
x = 54,253,764,465.96/217,121.52 - Step 6: Final answer
x = 249,877.42
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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.