Finding the Fourth Proportional to 306,620.91, 423,107.55 and 226,092.06
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Solution
The fourth proportional to 306,620.91, 423,107.55 and 226,092.06 is: 311,985.43
Step by Step Solution
- Step 1: Write the proportion equation
306,620.91 : 423,107.55 = 226,092.06 : x - Step 2: Convert to fraction form
306,620.91/423,107.55 = 226,092.06/x - Step 3: Cross multiply
306,620.91x = 423,107.55 × 226,092.06 - Step 4: Simplify right side
306,620.91x = 95,661,257,581.05 - Step 5: Solve for x
x = 95,661,257,581.05/306,620.91 - Step 6: Final answer
x = 311,985.43
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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.