Finding the Fourth Proportional to 574,137.99, 861,331.44 and 174,768.32
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Solution
The fourth proportional to 574,137.99, 861,331.44 and 174,768.32 is: 262,190.37
Step by Step Solution
- Step 1: Write the proportion equation
574,137.99 : 861,331.44 = 174,768.32 : x - Step 2: Convert to fraction form
574,137.99/861,331.44 = 174,768.32/x - Step 3: Cross multiply
574,137.99x = 861,331.44 × 174,768.32 - Step 4: Simplify right side
574,137.99x = 150,533,451,540.69 - Step 5: Solve for x
x = 150,533,451,540.69/574,137.99 - Step 6: Final answer
x = 262,190.37
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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.