Finding the Fourth Proportional to 211,765.53, 317,580.93 and 69,578.03
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Solution
The fourth proportional to 211,765.53, 317,580.93 and 69,578.03 is: 104,344.92
Step by Step Solution
- Step 1: Write the proportion equation
211,765.53 : 317,580.93 = 69,578.03 : x - Step 2: Convert to fraction form
211,765.53/317,580.93 = 69,578.03/x - Step 3: Cross multiply
211,765.53x = 317,580.93 × 69,578.03 - Step 4: Simplify right side
211,765.53x = 22,096,656,442.87 - Step 5: Solve for x
x = 22,096,656,442.87/211,765.53 - Step 6: Final answer
x = 104,344.92
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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.