Finding the Fourth Proportional to 121,149.11, 181,723.63 and 32,400.31
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Solution
The fourth proportional to 121,149.11, 181,723.63 and 32,400.31 is: 48,600.46
Step by Step Solution
- Step 1: Write the proportion equation
121,149.11 : 181,723.63 = 32,400.31 : x - Step 2: Convert to fraction form
121,149.11/181,723.63 = 32,400.31/x - Step 3: Cross multiply
121,149.11x = 181,723.63 × 32,400.31 - Step 4: Simplify right side
121,149.11x = 5,887,902,238.63 - Step 5: Solve for x
x = 5,887,902,238.63/121,149.11 - Step 6: Final answer
x = 48,600.46
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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.