Finding the Fourth Proportional to 205,201.80, 307,284.30 and 163,729.80
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Solution
The fourth proportional to 205,201.80, 307,284.30 and 163,729.80 is: 245,181.07
Step by Step Solution
- Step 1: Write the proportion equation
205,201.80 : 307,284.30 = 163,729.80 : x - Step 2: Convert to fraction form
205,201.80/307,284.30 = 163,729.80/x - Step 3: Cross multiply
205,201.80x = 307,284.30 × 163,729.80 - Step 4: Simplify right side
205,201.80x = 50,311,596,982.14 - Step 5: Solve for x
x = 50,311,596,982.14/205,201.80 - Step 6: Final answer
x = 245,181.07
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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.