Finding the Fourth Proportional to 207,464.80, 311,197.20 and 207,464.80
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Solution
The fourth proportional to 207,464.80, 311,197.20 and 207,464.80 is: 311,197.20
Step by Step Solution
- Step 1: Write the proportion equation
207,464.80 : 311,197.20 = 207,464.80 : x - Step 2: Convert to fraction form
207,464.80/311,197.20 = 207,464.80/x - Step 3: Cross multiply
207,464.80x = 311,197.20 × 207,464.80 - Step 4: Simplify right side
207,464.80x = 64,562,464,858.56 - Step 5: Solve for x
x = 64,562,464,858.56/207,464.80 - Step 6: Final answer
x = 311,197.20
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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.