Finding the Fourth Proportional to 297,603.99, 410,694.68 and 161,640.21
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Solution
The fourth proportional to 297,603.99, 410,694.68 and 161,640.21 is: 223,064.12
Step by Step Solution
- Step 1: Write the proportion equation
297,603.99 : 410,694.68 = 161,640.21 : x - Step 2: Convert to fraction form
297,603.99/410,694.68 = 161,640.21/x - Step 3: Cross multiply
297,603.99x = 410,694.68 × 161,640.21 - Step 4: Simplify right side
297,603.99x = 66,384,772,267.61 - Step 5: Solve for x
x = 66,384,772,267.61/297,603.99 - Step 6: Final answer
x = 223,064.12
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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.