Finding the Fourth Proportional to 436,187.19, 654,230.16 and 120,668.70
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Solution
The fourth proportional to 436,187.19, 654,230.16 and 120,668.70 is: 180,989.04
Step by Step Solution
- Step 1: Write the proportion equation
436,187.19 : 654,230.16 = 120,668.70 : x - Step 2: Convert to fraction form
436,187.19/654,230.16 = 120,668.70/x - Step 3: Cross multiply
436,187.19x = 654,230.16 × 120,668.70 - Step 4: Simplify right side
436,187.19x = 78,945,102,907.99 - Step 5: Solve for x
x = 78,945,102,907.99/436,187.19 - Step 6: Final answer
x = 180,989.04
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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.