Finding the Fourth Proportional to 188,138.08, 258,997.44 and 162,993.66
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Solution
The fourth proportional to 188,138.08, 258,997.44 and 162,993.66 is: 224,382.75
Step by Step Solution
- Step 1: Write the proportion equation
188,138.08 : 258,997.44 = 162,993.66 : x - Step 2: Convert to fraction form
188,138.08/258,997.44 = 162,993.66/x - Step 3: Cross multiply
188,138.08x = 258,997.44 × 162,993.66 - Step 4: Simplify right side
188,138.08x = 42,214,940,676.23 - Step 5: Solve for x
x = 42,214,940,676.23/188,138.08 - Step 6: Final answer
x = 224,382.75
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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.