Finding the Fourth Proportional to 228,636.09, 343,175.90 and 110,390.49
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Solution
The fourth proportional to 228,636.09, 343,175.90 and 110,390.49 is: 165,692.81
Step by Step Solution
- Step 1: Write the proportion equation
228,636.09 : 343,175.90 = 110,390.49 : x - Step 2: Convert to fraction form
228,636.09/343,175.90 = 110,390.49/x - Step 3: Cross multiply
228,636.09x = 343,175.90 × 110,390.49 - Step 4: Simplify right side
228,636.09x = 37,883,355,205.24 - Step 5: Solve for x
x = 37,883,355,205.24/228,636.09 - Step 6: Final answer
x = 165,692.81
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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.