Finding the Fourth Proportional to 186,639.23, 280,074.95 and 75,831.23
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Solution
The fourth proportional to 186,639.23, 280,074.95 and 75,831.23 is: 113,794.02
Step by Step Solution
- Step 1: Write the proportion equation
186,639.23 : 280,074.95 = 75,831.23 : x - Step 2: Convert to fraction form
186,639.23/280,074.95 = 75,831.23/x - Step 3: Cross multiply
186,639.23x = 280,074.95 × 75,831.23 - Step 4: Simplify right side
186,639.23x = 21,238,427,571.53 - Step 5: Solve for x
x = 21,238,427,571.53/186,639.23 - Step 6: Final answer
x = 113,794.02
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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.