Finding the Fourth Proportional to 301,367.08, 415,912.09 and 165,424.05
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Solution
The fourth proportional to 301,367.08, 415,912.09 and 165,424.05 is: 228,299.19
Step by Step Solution
- Step 1: Write the proportion equation
301,367.08 : 415,912.09 = 165,424.05 : x - Step 2: Convert to fraction form
301,367.08/415,912.09 = 165,424.05/x - Step 3: Cross multiply
301,367.08x = 415,912.09 × 165,424.05 - Step 4: Simplify right side
301,367.08x = 68,801,860,292.20 - Step 5: Solve for x
x = 68,801,860,292.20/301,367.08 - Step 6: Final answer
x = 228,299.19
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1.5x scale
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.