Finding the Fourth Proportional to 436,314.21, 654,485.63 and 120,744.69
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Solution
The fourth proportional to 436,314.21, 654,485.63 and 120,744.69 is: 181,121.00
Step by Step Solution
- Step 1: Write the proportion equation
436,314.21 : 654,485.63 = 120,744.69 : x - Step 2: Convert to fraction form
436,314.21/654,485.63 = 120,744.69/x - Step 3: Cross multiply
436,314.21x = 654,485.63 × 120,744.69 - Step 4: Simplify right side
436,314.21x = 79,025,663,900.08 - Step 5: Solve for x
x = 79,025,663,900.08/436,314.21 - Step 6: Final answer
x = 181,121.00
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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.