Finding the Fourth Proportional to 334,538.21, 461,669.59 and 189,343.99
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Solution
The fourth proportional to 334,538.21, 461,669.59 and 189,343.99 is: 261,298.59
Step by Step Solution
- Step 1: Write the proportion equation
334,538.21 : 461,669.59 = 189,343.99 : x - Step 2: Convert to fraction form
334,538.21/461,669.59 = 189,343.99/x - Step 3: Cross multiply
334,538.21x = 461,669.59 × 189,343.99 - Step 4: Simplify right side
334,538.21x = 87,414,362,232.26 - Step 5: Solve for x
x = 87,414,362,232.26/334,538.21 - Step 6: Final answer
x = 261,298.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.