Finding the Fourth Proportional to 150,878.97, 226,367.60 and 71,982.99
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Solution
The fourth proportional to 150,878.97, 226,367.60 and 71,982.99 is: 107,997.93
Step by Step Solution
- Step 1: Write the proportion equation
150,878.97 : 226,367.60 = 71,982.99 : x - Step 2: Convert to fraction form
150,878.97/226,367.60 = 71,982.99/x - Step 3: Cross multiply
150,878.97x = 226,367.60 × 71,982.99 - Step 4: Simplify right side
150,878.97x = 16,294,616,327.21 - Step 5: Solve for x
x = 16,294,616,327.21/150,878.97 - Step 6: Final answer
x = 107,997.93
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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.