Finding the Fourth Proportional to 228,845.10, 343,212.96 and 79,090.68
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Solution
The fourth proportional to 228,845.10, 343,212.96 and 79,090.68 is: 118,617.12
Step by Step Solution
- Step 1: Write the proportion equation
228,845.10 : 343,212.96 = 79,090.68 : x - Step 2: Convert to fraction form
228,845.10/343,212.96 = 79,090.68/x - Step 3: Cross multiply
228,845.10x = 343,212.96 × 79,090.68 - Step 4: Simplify right side
228,845.10x = 27,144,946,391.21 - Step 5: Solve for x
x = 27,144,946,391.21/228,845.10 - Step 6: Final answer
x = 118,617.12
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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.