Finding the Fourth Proportional to 202,723.24, 279,749.82 and 112,073.44
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Solution
The fourth proportional to 202,723.24, 279,749.82 and 112,073.44 is: 154,656.79
Step by Step Solution
- Step 1: Write the proportion equation
202,723.24 : 279,749.82 = 112,073.44 : x - Step 2: Convert to fraction form
202,723.24/279,749.82 = 112,073.44/x - Step 3: Cross multiply
202,723.24x = 279,749.82 × 112,073.44 - Step 4: Simplify right side
202,723.24x = 31,352,524,666.78 - Step 5: Solve for x
x = 31,352,524,666.78/202,723.24 - Step 6: Final answer
x = 154,656.79
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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.