Finding the Fourth Proportional to 226,220.55, 339,331.84 and 76,461.62
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Solution
The fourth proportional to 226,220.55, 339,331.84 and 76,461.62 is: 114,692.78
Step by Step Solution
- Step 1: Write the proportion equation
226,220.55 : 339,331.84 = 76,461.62 : x - Step 2: Convert to fraction form
226,220.55/339,331.84 = 76,461.62/x - Step 3: Cross multiply
226,220.55x = 339,331.84 × 76,461.62 - Step 4: Simplify right side
226,220.55x = 25,945,862,762.53 - Step 5: Solve for x
x = 25,945,862,762.53/226,220.55 - Step 6: Final answer
x = 114,692.78
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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.