Finding the Fourth Proportional to 147,238.68, 203,191.02 and 80,170.68
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Solution
The fourth proportional to 147,238.68, 203,191.02 and 80,170.68 is: 110,636.43
Step by Step Solution
- Step 1: Write the proportion equation
147,238.68 : 203,191.02 = 80,170.68 : x - Step 2: Convert to fraction form
147,238.68/203,191.02 = 80,170.68/x - Step 3: Cross multiply
147,238.68x = 203,191.02 × 80,170.68 - Step 4: Simplify right side
147,238.68x = 16,289,962,243.29 - Step 5: Solve for x
x = 16,289,962,243.29/147,238.68 - Step 6: Final answer
x = 110,636.43
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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.