Finding the Fourth Proportional to 211,765.03, 317,580.18 and 69,577.53
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Solution
The fourth proportional to 211,765.03, 317,580.18 and 69,577.53 is: 104,344.17
Step by Step Solution
- Step 1: Write the proportion equation
211,765.03 : 317,580.18 = 69,577.53 : x - Step 2: Convert to fraction form
211,765.03/317,580.18 = 69,577.53/x - Step 3: Cross multiply
211,765.03x = 317,580.18 × 69,577.53 - Step 4: Simplify right side
211,765.03x = 22,096,445,469.25 - Step 5: Solve for x
x = 22,096,445,469.25/211,765.03 - Step 6: Final answer
x = 104,344.17
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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.