Finding the Fourth Proportional to 121,035.24, 181,581.21 and 119,026.98
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Solution
The fourth proportional to 121,035.24, 181,581.21 and 119,026.98 is: 178,568.35
Step by Step Solution
- Step 1: Write the proportion equation
121,035.24 : 181,581.21 = 119,026.98 : x - Step 2: Convert to fraction form
121,035.24/181,581.21 = 119,026.98/x - Step 3: Cross multiply
121,035.24x = 181,581.21 × 119,026.98 - Step 4: Simplify right side
121,035.24x = 21,613,063,051.05 - Step 5: Solve for x
x = 21,613,063,051.05/121,035.24 - Step 6: Final answer
x = 178,568.35
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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.