Finding the Fourth Proportional to 646,522.92, 969,936.02 and 197,243.62
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Solution
The fourth proportional to 646,522.92, 969,936.02 and 197,243.62 is: 295,911.69
Step by Step Solution
- Step 1: Write the proportion equation
646,522.92 : 969,936.02 = 197,243.62 : x - Step 2: Convert to fraction form
646,522.92/969,936.02 = 197,243.62/x - Step 3: Cross multiply
646,522.92x = 969,936.02 × 197,243.62 - Step 4: Simplify right side
646,522.92x = 191,313,691,753.19 - Step 5: Solve for x
x = 191,313,691,753.19/646,522.92 - Step 6: Final answer
x = 295,911.69
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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.