Finding the Fourth Proportional to 115,183.24, 158,946.74 and 64,879.08
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Solution
The fourth proportional to 115,183.24, 158,946.74 and 64,879.08 is: 89,529.68
Step by Step Solution
- Step 1: Write the proportion equation
115,183.24 : 158,946.74 = 64,879.08 : x - Step 2: Convert to fraction form
115,183.24/158,946.74 = 64,879.08/x - Step 3: Cross multiply
115,183.24x = 158,946.74 × 64,879.08 - Step 4: Simplify right side
115,183.24x = 10,312,318,260.20 - Step 5: Solve for x
x = 10,312,318,260.20/115,183.24 - Step 6: Final answer
x = 89,529.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.