Finding the Fourth Proportional to 215,764.92, 323,533.44 and 114,619.68
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Solution
The fourth proportional to 215,764.92, 323,533.44 and 114,619.68 is: 171,868.99
Step by Step Solution
- Step 1: Write the proportion equation
215,764.92 : 323,533.44 = 114,619.68 : x - Step 2: Convert to fraction form
215,764.92/323,533.44 = 114,619.68/x - Step 3: Cross multiply
215,764.92x = 323,533.44 × 114,619.68 - Step 4: Simplify right side
215,764.92x = 37,083,299,362.10 - Step 5: Solve for x
x = 37,083,299,362.10/215,764.92 - Step 6: Final answer
x = 171,868.99
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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.