Finding the Fourth Proportional to 476,716.56, 657,866.44 and 261,855.96
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Solution
The fourth proportional to 476,716.56, 657,866.44 and 261,855.96 is: 361,359.90
Step by Step Solution
- Step 1: Write the proportion equation
476,716.56 : 657,866.44 = 261,855.96 : x - Step 2: Convert to fraction form
476,716.56/657,866.44 = 261,855.96/x - Step 3: Cross multiply
476,716.56x = 657,866.44 × 261,855.96 - Step 4: Simplify right side
476,716.56x = 172,266,248,197.98 - Step 5: Solve for x
x = 172,266,248,197.98/476,716.56 - Step 6: Final answer
x = 361,359.90
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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.