Finding the Fourth Proportional to 121,313.22, 181,944.74 and 32,545.68
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Solution
The fourth proportional to 121,313.22, 181,944.74 and 32,545.68 is: 48,811.79
Step by Step Solution
- Step 1: Write the proportion equation
121,313.22 : 181,944.74 = 32,545.68 : x - Step 2: Convert to fraction form
121,313.22/181,944.74 = 32,545.68/x - Step 3: Cross multiply
121,313.22x = 181,944.74 × 32,545.68 - Step 4: Simplify right side
121,313.22x = 5,921,515,285.72 - Step 5: Solve for x
x = 5,921,515,285.72/121,313.22 - Step 6: Final answer
x = 48,811.79
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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.