Finding the Fourth Proportional to 153,651.65, 230,469.21 and 47,035.62
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Solution
The fourth proportional to 153,651.65, 230,469.21 and 47,035.62 is: 70,550.90
Step by Step Solution
- Step 1: Write the proportion equation
153,651.65 : 230,469.21 = 47,035.62 : x - Step 2: Convert to fraction form
153,651.65/230,469.21 = 47,035.62/x - Step 3: Cross multiply
153,651.65x = 230,469.21 × 47,035.62 - Step 4: Simplify right side
153,651.65x = 10,840,262,183.26 - Step 5: Solve for x
x = 10,840,262,183.26/153,651.65 - Step 6: Final answer
x = 70,550.90
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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.