Finding the Fourth Proportional to 436,317.96, 654,477.84 and 120,775.80
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Solution
The fourth proportional to 436,317.96, 654,477.84 and 120,775.80 is: 181,163.95
Step by Step Solution
- Step 1: Write the proportion equation
436,317.96 : 654,477.84 = 120,775.80 : x - Step 2: Convert to fraction form
436,317.96/654,477.84 = 120,775.80/x - Step 3: Cross multiply
436,317.96x = 654,477.84 × 120,775.80 - Step 4: Simplify right side
436,317.96x = 79,045,084,708.27 - Step 5: Solve for x
x = 79,045,084,708.27/436,317.96 - Step 6: Final answer
x = 181,163.95
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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.