Finding the Fourth Proportional to 543,954.91, 815,739.29 and 159,596.49
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Solution
The fourth proportional to 543,954.91, 815,739.29 and 159,596.49 is: 239,338.08
Step by Step Solution
- Step 1: Write the proportion equation
543,954.91 : 815,739.29 = 159,596.49 : x - Step 2: Convert to fraction form
543,954.91/815,739.29 = 159,596.49/x - Step 3: Cross multiply
543,954.91x = 815,739.29 × 159,596.49 - Step 4: Simplify right side
543,954.91x = 130,189,122,562.41 - Step 5: Solve for x
x = 130,189,122,562.41/543,954.91 - Step 6: Final answer
x = 239,338.08
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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.