Finding the Fourth Proportional to 342,911.62, 473,201.58 and 189,939.48
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Solution
The fourth proportional to 342,911.62, 473,201.58 and 189,939.48 is: 262,107.37
Step by Step Solution
- Step 1: Write the proportion equation
342,911.62 : 473,201.58 = 189,939.48 : x - Step 2: Convert to fraction form
342,911.62/473,201.58 = 189,939.48/x - Step 3: Cross multiply
342,911.62x = 473,201.58 × 189,939.48 - Step 4: Simplify right side
342,911.62x = 89,879,662,040.38 - Step 5: Solve for x
x = 89,879,662,040.38/342,911.62 - Step 6: Final answer
x = 262,107.37
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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.