Finding the Fourth Proportional to 314,614.40, 471,739.34 and 214,895.09
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Solution
The fourth proportional to 314,614.40, 471,739.34 and 214,895.09 is: 322,218.15
Step by Step Solution
- Step 1: Write the proportion equation
314,614.40 : 471,739.34 = 214,895.09 : x - Step 2: Convert to fraction form
314,614.40/471,739.34 = 214,895.09/x - Step 3: Cross multiply
314,614.40x = 471,739.34 × 214,895.09 - Step 4: Simplify right side
314,614.40x = 101,374,469,642.43 - Step 5: Solve for x
x = 101,374,469,642.43/314,614.40 - Step 6: Final answer
x = 322,218.15
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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.