Finding the Fourth Proportional to 448,530.99, 672,796.44 and 307,863.15
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Solution
The fourth proportional to 448,530.99, 672,796.44 and 307,863.15 is: 461,794.69
Step by Step Solution
- Step 1: Write the proportion equation
448,530.99 : 672,796.44 = 307,863.15 : x - Step 2: Convert to fraction form
448,530.99/672,796.44 = 307,863.15/x - Step 3: Cross multiply
448,530.99x = 672,796.44 × 307,863.15 - Step 4: Simplify right side
448,530.99x = 207,129,231,327.19 - Step 5: Solve for x
x = 207,129,231,327.19/448,530.99 - Step 6: Final answer
x = 461,794.69
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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.