Finding the Fourth Proportional to 191,716.18, 264,568.62 and 106,831.42
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Solution
The fourth proportional to 191,716.18, 264,568.62 and 106,831.42 is: 147,427.52
Step by Step Solution
- Step 1: Write the proportion equation
191,716.18 : 264,568.62 = 106,831.42 : x - Step 2: Convert to fraction form
191,716.18/264,568.62 = 106,831.42/x - Step 3: Cross multiply
191,716.18x = 264,568.62 × 106,831.42 - Step 4: Simplify right side
191,716.18x = 28,264,241,362.04 - Step 5: Solve for x
x = 28,264,241,362.04/191,716.18 - Step 6: Final answer
x = 147,427.52
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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.