Finding the Fourth Proportional to 476,163.87, 657,125.06 and 261,311.67
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Solution
The fourth proportional to 476,163.87, 657,125.06 and 261,311.67 is: 360,620.49
Step by Step Solution
- Step 1: Write the proportion equation
476,163.87 : 657,125.06 = 261,311.67 : x - Step 2: Convert to fraction form
476,163.87/657,125.06 = 261,311.67/x - Step 3: Cross multiply
476,163.87x = 657,125.06 × 261,311.67 - Step 4: Simplify right side
476,163.87x = 171,714,445,520.89 - Step 5: Solve for x
x = 171,714,445,520.89/476,163.87 - Step 6: Final answer
x = 360,620.49
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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.