Finding the Fourth Proportional to 262,929.96, 394,237.12 and 120,596.92
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Solution
The fourth proportional to 262,929.96, 394,237.12 and 120,596.92 is: 180,822.99
Step by Step Solution
- Step 1: Write the proportion equation
262,929.96 : 394,237.12 = 120,596.92 : x - Step 2: Convert to fraction form
262,929.96/394,237.12 = 120,596.92/x - Step 3: Cross multiply
262,929.96x = 394,237.12 × 120,596.92 - Step 4: Simplify right side
262,929.96x = 47,543,782,421.67 - Step 5: Solve for x
x = 47,543,782,421.67/262,929.96 - Step 6: Final answer
x = 180,822.99
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1.5x scale
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.