Finding the Fourth Proportional to 272,564.64, 408,846.96 and 122,629.68
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Solution
The fourth proportional to 272,564.64, 408,846.96 and 122,629.68 is: 183,944.52
Step by Step Solution
- Step 1: Write the proportion equation
272,564.64 : 408,846.96 = 122,629.68 : x - Step 2: Convert to fraction form
272,564.64/408,846.96 = 122,629.68/x - Step 3: Cross multiply
272,564.64x = 408,846.96 × 122,629.68 - Step 4: Simplify right side
272,564.64x = 50,136,771,873.77 - Step 5: Solve for x
x = 50,136,771,873.77/272,564.64 - Step 6: Final answer
x = 183,944.52
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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.