Finding the Fourth Proportional to 171,107.91, 256,639.95 and 71,249.49
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Solution
The fourth proportional to 171,107.91, 256,639.95 and 71,249.49 is: 106,865.11
Step by Step Solution
- Step 1: Write the proportion equation
171,107.91 : 256,639.95 = 71,249.49 : x - Step 2: Convert to fraction form
171,107.91/256,639.95 = 71,249.49/x - Step 3: Cross multiply
171,107.91x = 256,639.95 × 71,249.49 - Step 4: Simplify right side
171,107.91x = 18,285,465,551.13 - Step 5: Solve for x
x = 18,285,465,551.13/171,107.91 - Step 6: Final answer
x = 106,865.11
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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.