Finding the Fourth Proportional to 225,309.94, 337,843.68 and 90,306.26
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Solution
The fourth proportional to 225,309.94, 337,843.68 and 90,306.26 is: 135,410.80
Step by Step Solution
- Step 1: Write the proportion equation
225,309.94 : 337,843.68 = 90,306.26 : x - Step 2: Convert to fraction form
225,309.94/337,843.68 = 90,306.26/x - Step 3: Cross multiply
225,309.94x = 337,843.68 × 90,306.26 - Step 4: Simplify right side
225,309.94x = 30,509,399,205.44 - Step 5: Solve for x
x = 30,509,399,205.44/225,309.94 - Step 6: Final answer
x = 135,410.80
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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.