Finding the Fourth Proportional to 246,163.92, 339,713.28 and 138,727.92
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Solution
The fourth proportional to 246,163.92, 339,713.28 and 138,727.92 is: 191,448.51
Step by Step Solution
- Step 1: Write the proportion equation
246,163.92 : 339,713.28 = 138,727.92 : x - Step 2: Convert to fraction form
246,163.92/339,713.28 = 138,727.92/x - Step 3: Cross multiply
246,163.92x = 339,713.28 × 138,727.92 - Step 4: Simplify right side
246,163.92x = 47,127,716,730.78 - Step 5: Solve for x
x = 47,127,716,730.78/246,163.92 - Step 6: Final answer
x = 191,448.51
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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.