Finding the Fourth Proportional to 207,930.62, 311,840.58 and 58,161.62
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Solution
The fourth proportional to 207,930.62, 311,840.58 and 58,161.62 is: 87,226.95
Step by Step Solution
- Step 1: Write the proportion equation
207,930.62 : 311,840.58 = 58,161.62 : x - Step 2: Convert to fraction form
207,930.62/311,840.58 = 58,161.62/x - Step 3: Cross multiply
207,930.62x = 311,840.58 × 58,161.62 - Step 4: Simplify right side
207,930.62x = 18,137,153,314.54 - Step 5: Solve for x
x = 18,137,153,314.54/207,930.62 - Step 6: Final answer
x = 87,226.95
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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.