Finding the Fourth Proportional to 401,532.64, 554,105.44 and 220,242.94
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Solution
The fourth proportional to 401,532.64, 554,105.44 and 220,242.94 is: 303,929.99
Step by Step Solution
- Step 1: Write the proportion equation
401,532.64 : 554,105.44 = 220,242.94 : x - Step 2: Convert to fraction form
401,532.64/554,105.44 = 220,242.94/x - Step 3: Cross multiply
401,532.64x = 554,105.44 × 220,242.94 - Step 4: Simplify right side
401,532.64x = 122,037,811,175.59 - Step 5: Solve for x
x = 122,037,811,175.59/401,532.64 - Step 6: Final answer
x = 303,929.99
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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.