Finding the Fourth Proportional to 540,202.77, 810,218.97 and 339,910.02
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Solution
The fourth proportional to 540,202.77, 810,218.97 and 339,910.02 is: 509,811.43
Step by Step Solution
- Step 1: Write the proportion equation
540,202.77 : 810,218.97 = 339,910.02 : x - Step 2: Convert to fraction form
540,202.77/810,218.97 = 339,910.02/x - Step 3: Cross multiply
540,202.77x = 810,218.97 × 339,910.02 - Step 4: Simplify right side
540,202.77x = 275,401,546,297.08 - Step 5: Solve for x
x = 275,401,546,297.08/540,202.77 - Step 6: Final answer
x = 509,811.43
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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.