Finding the Fourth Proportional to 205,028.20, 307,542.30 and 110,549.80
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Solution
The fourth proportional to 205,028.20, 307,542.30 and 110,549.80 is: 165,824.70
Step by Step Solution
- Step 1: Write the proportion equation
205,028.20 : 307,542.30 = 110,549.80 : x - Step 2: Convert to fraction form
205,028.20/307,542.30 = 110,549.80/x - Step 3: Cross multiply
205,028.20x = 307,542.30 × 110,549.80 - Step 4: Simplify right side
205,028.20x = 33,998,739,756.54 - Step 5: Solve for x
x = 33,998,739,756.54/205,028.20 - Step 6: Final answer
x = 165,824.70
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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.