Finding the Fourth Proportional to 203,371.21, 305,063.24 and 70,259.05
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Solution
The fourth proportional to 203,371.21, 305,063.24 and 70,259.05 is: 105,390.79
Step by Step Solution
- Step 1: Write the proportion equation
203,371.21 : 305,063.24 = 70,259.05 : x - Step 2: Convert to fraction form
203,371.21/305,063.24 = 70,259.05/x - Step 3: Cross multiply
203,371.21x = 305,063.24 × 70,259.05 - Step 4: Simplify right side
203,371.21x = 21,433,453,081.03 - Step 5: Solve for x
x = 21,433,453,081.03/203,371.21 - Step 6: Final answer
x = 105,390.79
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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.