Finding the Fourth Proportional to 211,129.08, 315,107.94 and 182,539.56
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Solution
The fourth proportional to 211,129.08, 315,107.94 and 182,539.56 is: 272,438.38
Step by Step Solution
- Step 1: Write the proportion equation
211,129.08 : 315,107.94 = 182,539.56 : x - Step 2: Convert to fraction form
211,129.08/315,107.94 = 182,539.56/x - Step 3: Cross multiply
211,129.08x = 315,107.94 × 182,539.56 - Step 4: Simplify right side
211,129.08x = 57,519,664,720.11 - Step 5: Solve for x
x = 57,519,664,720.11/211,129.08 - Step 6: Final answer
x = 272,438.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.