Finding the Fourth Proportional to 205,163.30, 283,172.60 and 120,307.70
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Solution
The fourth proportional to 205,163.30, 283,172.60 and 120,307.70 is: 166,052.33
Step by Step Solution
- Step 1: Write the proportion equation
205,163.30 : 283,172.60 = 120,307.70 : x - Step 2: Convert to fraction form
205,163.30/283,172.60 = 120,307.70/x - Step 3: Cross multiply
205,163.30x = 283,172.60 × 120,307.70 - Step 4: Simplify right side
205,163.30x = 34,067,844,315.41 - Step 5: Solve for x
x = 34,067,844,315.41/205,163.30 - Step 6: Final answer
x = 166,052.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.