Finding the Fourth Proportional to 476,473.68, 657,544.28 and 261,614.60
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Solution
The fourth proportional to 476,473.68, 657,544.28 and 261,614.60 is: 361,033.96
Step by Step Solution
- Step 1: Write the proportion equation
476,473.68 : 657,544.28 = 261,614.60 : x - Step 2: Convert to fraction form
476,473.68/657,544.28 = 261,614.60/x - Step 3: Cross multiply
476,473.68x = 657,544.28 × 261,614.60 - Step 4: Simplify right side
476,473.68x = 172,023,179,198.69 - Step 5: Solve for x
x = 172,023,179,198.69/476,473.68 - Step 6: Final answer
x = 361,033.96
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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.