Finding the Fourth Proportional to 290,950.77, 401,550.80 and 163,650.99
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Solution
The fourth proportional to 290,950.77, 401,550.80 and 163,650.99 is: 225,860.15
Step by Step Solution
- Step 1: Write the proportion equation
290,950.77 : 401,550.80 = 163,650.99 : x - Step 2: Convert to fraction form
290,950.77/401,550.80 = 163,650.99/x - Step 3: Cross multiply
290,950.77x = 401,550.80 × 163,650.99 - Step 4: Simplify right side
290,950.77x = 65,714,185,137.04 - Step 5: Solve for x
x = 65,714,185,137.04/290,950.77 - Step 6: Final answer
x = 225,860.15
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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.