Finding the Fourth Proportional to 79,831.36, 119,759.34 and 27,228.55
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Solution
The fourth proportional to 79,831.36, 119,759.34 and 27,228.55 is: 40,847.02
Step by Step Solution
- Step 1: Write the proportion equation
79,831.36 : 119,759.34 = 27,228.55 : x - Step 2: Convert to fraction form
79,831.36/119,759.34 = 27,228.55/x - Step 3: Cross multiply
79,831.36x = 119,759.34 × 27,228.55 - Step 4: Simplify right side
79,831.36x = 3,260,873,177.16 - Step 5: Solve for x
x = 3,260,873,177.16/79,831.36 - Step 6: Final answer
x = 40,847.02
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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.