Finding the Fourth Proportional to 197,520.84, 296,318.12 and 79,201.44
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Solution
The fourth proportional to 197,520.84, 296,318.12 and 79,201.44 is: 118,816.94
Step by Step Solution
- Step 1: Write the proportion equation
197,520.84 : 296,318.12 = 79,201.44 : x - Step 2: Convert to fraction form
197,520.84/296,318.12 = 79,201.44/x - Step 3: Cross multiply
197,520.84x = 296,318.12 × 79,201.44 - Step 4: Simplify right side
197,520.84x = 23,468,821,802.09 - Step 5: Solve for x
x = 23,468,821,802.09/197,520.84 - Step 6: Final answer
x = 118,816.94
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1.5x scale
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.