Finding the Fourth Proportional to 339,695.88, 468,790.79 and 186,745.75
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Solution
The fourth proportional to 339,695.88, 468,790.79 and 186,745.75 is: 257,714.90
Step by Step Solution
- Step 1: Write the proportion equation
339,695.88 : 468,790.79 = 186,745.75 : x - Step 2: Convert to fraction form
339,695.88/468,790.79 = 186,745.75/x - Step 3: Cross multiply
339,695.88x = 468,790.79 × 186,745.75 - Step 4: Simplify right side
339,695.88x = 87,544,689,253.33 - Step 5: Solve for x
x = 87,544,689,253.33/339,695.88 - Step 6: Final answer
x = 257,714.90
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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.