Finding the Fourth Proportional to 393,144.44, 589,717.26 and 119,593.06
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Solution
The fourth proportional to 393,144.44, 589,717.26 and 119,593.06 is: 179,389.77
Step by Step Solution
- Step 1: Write the proportion equation
393,144.44 : 589,717.26 = 119,593.06 : x - Step 2: Convert to fraction form
393,144.44/589,717.26 = 119,593.06/x - Step 3: Cross multiply
393,144.44x = 589,717.26 × 119,593.06 - Step 4: Simplify right side
393,144.44x = 70,526,090,183.92 - Step 5: Solve for x
x = 70,526,090,183.92/393,144.44 - Step 6: Final answer
x = 179,389.77
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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.