Finding the Fourth Proportional to 231,831.36, 347,124.08 and 147,132.96
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Solution
The fourth proportional to 231,831.36, 347,124.08 and 147,132.96 is: 220,304.08
Step by Step Solution
- Step 1: Write the proportion equation
231,831.36 : 347,124.08 = 147,132.96 : x - Step 2: Convert to fraction form
231,831.36/347,124.08 = 147,132.96/x - Step 3: Cross multiply
231,831.36x = 347,124.08 × 147,132.96 - Step 4: Simplify right side
231,831.36x = 51,073,393,377.68 - Step 5: Solve for x
x = 51,073,393,377.68/231,831.36 - Step 6: Final answer
x = 220,304.08
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1.5x scale
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.