Finding the Fourth Proportional to 361,157.44, 541,771.99 and 133,512.71
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Solution
The fourth proportional to 361,157.44, 541,771.99 and 133,512.71 is: 200,282.30
Step by Step Solution
- Step 1: Write the proportion equation
361,157.44 : 541,771.99 = 133,512.71 : x - Step 2: Convert to fraction form
361,157.44/541,771.99 = 133,512.71/x - Step 3: Cross multiply
361,157.44x = 541,771.99 × 133,512.71 - Step 4: Simplify right side
361,157.44x = 72,333,444,295.36 - Step 5: Solve for x
x = 72,333,444,295.36/361,157.44 - Step 6: Final answer
x = 200,282.30
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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.