Finding the Fourth Proportional to 155,040.21, 214,249.19 and 132,066.81
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Solution
The fourth proportional to 155,040.21, 214,249.19 and 132,066.81 is: 182,502.37
Step by Step Solution
- Step 1: Write the proportion equation
155,040.21 : 214,249.19 = 132,066.81 : x - Step 2: Convert to fraction form
155,040.21/214,249.19 = 132,066.81/x - Step 3: Cross multiply
155,040.21x = 214,249.19 × 132,066.81 - Step 4: Simplify right side
155,040.21x = 28,295,206,408.05 - Step 5: Solve for x
x = 28,295,206,408.05/155,040.21 - Step 6: Final answer
x = 182,502.37
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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.