Finding the Fourth Proportional to 413,184.96, 618,448.62 and 213,232.94
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Solution
The fourth proportional to 413,184.96, 618,448.62 and 213,232.94 is: 319,163.64
Step by Step Solution
- Step 1: Write the proportion equation
413,184.96 : 618,448.62 = 213,232.94 : x - Step 2: Convert to fraction form
413,184.96/618,448.62 = 213,232.94/x - Step 3: Cross multiply
413,184.96x = 618,448.62 × 213,232.94 - Step 4: Simplify right side
413,184.96x = 131,873,617,481.54 - Step 5: Solve for x
x = 131,873,617,481.54/413,184.96 - Step 6: Final answer
x = 319,163.64
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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.