Finding the Fourth Proportional to 197,517.47, 296,313.05 and 79,198.07
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Solution
The fourth proportional to 197,517.47, 296,313.05 and 79,198.07 is: 118,811.88
Step by Step Solution
- Step 1: Write the proportion equation
197,517.47 : 296,313.05 = 79,198.07 : x - Step 2: Convert to fraction form
197,517.47/296,313.05 = 79,198.07/x - Step 3: Cross multiply
197,517.47x = 296,313.05 × 79,198.07 - Step 4: Simplify right side
197,517.47x = 23,467,420,392.24 - Step 5: Solve for x
x = 23,467,420,392.24/197,517.47 - Step 6: Final answer
x = 118,811.88
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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.