Finding the Fourth Proportional to 299,692.91, 413,576.21 and 165,556.91
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Solution
The fourth proportional to 299,692.91, 413,576.21 and 165,556.91 is: 228,468.53
Step by Step Solution
- Step 1: Write the proportion equation
299,692.91 : 413,576.21 = 165,556.91 : x - Step 2: Convert to fraction form
299,692.91/413,576.21 = 165,556.91/x - Step 3: Cross multiply
299,692.91x = 413,576.21 × 165,556.91 - Step 4: Simplify right side
299,692.91x = 68,470,397,309.23 - Step 5: Solve for x
x = 68,470,397,309.23/299,692.91 - Step 6: Final answer
x = 228,468.53
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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.