Finding the Fourth Proportional to 100,742.36, 150,915.42 and 58,533.84
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Solution
The fourth proportional to 100,742.36, 150,915.42 and 58,533.84 is: 87,685.65
Step by Step Solution
- Step 1: Write the proportion equation
100,742.36 : 150,915.42 = 58,533.84 : x - Step 2: Convert to fraction form
100,742.36/150,915.42 = 58,533.84/x - Step 3: Cross multiply
100,742.36x = 150,915.42 × 58,533.84 - Step 4: Simplify right side
100,742.36x = 8,833,659,047.81 - Step 5: Solve for x
x = 8,833,659,047.81/100,742.36 - Step 6: Final answer
x = 87,685.65
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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.