Finding the Fourth Proportional to 290,756.77, 436,135.25 and 119,975.99
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Solution
The fourth proportional to 290,756.77, 436,135.25 and 119,975.99 is: 179,964.02
Step by Step Solution
- Step 1: Write the proportion equation
290,756.77 : 436,135.25 = 119,975.99 : x - Step 2: Convert to fraction form
290,756.77/436,135.25 = 119,975.99/x - Step 3: Cross multiply
290,756.77x = 436,135.25 × 119,975.99 - Step 4: Simplify right side
290,756.77x = 52,325,758,392.65 - Step 5: Solve for x
x = 52,325,758,392.65/290,756.77 - Step 6: Final answer
x = 179,964.02
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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.