Finding the Fourth Proportional to 186,576.36, 257,636.34 and 159,982.44
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Solution
The fourth proportional to 186,576.36, 257,636.34 and 159,982.44 is: 220,913.79
Step by Step Solution
- Step 1: Write the proportion equation
186,576.36 : 257,636.34 = 159,982.44 : x - Step 2: Convert to fraction form
186,576.36/257,636.34 = 159,982.44/x - Step 3: Cross multiply
186,576.36x = 257,636.34 × 159,982.44 - Step 4: Simplify right side
186,576.36x = 41,217,290,305.87 - Step 5: Solve for x
x = 41,217,290,305.87/186,576.36 - Step 6: Final answer
x = 220,913.79
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1.5x scale
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.