Finding the Fourth Proportional to 157,243.86, 235,668.92 and 123,831.99
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Solution
The fourth proportional to 157,243.86, 235,668.92 and 123,831.99 is: 185,592.94
Step by Step Solution
- Step 1: Write the proportion equation
157,243.86 : 235,668.92 = 123,831.99 : x - Step 2: Convert to fraction form
157,243.86/235,668.92 = 123,831.99/x - Step 3: Cross multiply
157,243.86x = 235,668.92 × 123,831.99 - Step 4: Simplify right side
157,243.86x = 29,183,350,725.59 - Step 5: Solve for x
x = 29,183,350,725.59/157,243.86 - Step 6: Final answer
x = 185,592.94
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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.