Finding the Fourth Proportional to 839,832.13, 1,259,749.17 and 208,745.94
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Solution
The fourth proportional to 839,832.13, 1,259,749.17 and 208,745.94 is: 313,119.15
Step by Step Solution
- Step 1: Write the proportion equation
839,832.13 : 1,259,749.17 = 208,745.94 : x - Step 2: Convert to fraction form
839,832.13/1,259,749.17 = 208,745.94/x - Step 3: Cross multiply
839,832.13x = 1,259,749.17 × 208,745.94 - Step 4: Simplify right side
839,832.13x = 262,967,524,655.87 - Step 5: Solve for x
x = 262,967,524,655.87/839,832.13 - Step 6: Final answer
x = 313,119.15
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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.