Finding the Fourth Proportional to 178,839.70, 246,689.21 and 106,193.23
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Solution
The fourth proportional to 178,839.70, 246,689.21 and 106,193.23 is: 146,481.59
Step by Step Solution
- Step 1: Write the proportion equation
178,839.70 : 246,689.21 = 106,193.23 : x - Step 2: Convert to fraction form
178,839.70/246,689.21 = 106,193.23/x - Step 3: Cross multiply
178,839.70x = 246,689.21 × 106,193.23 - Step 4: Simplify right side
178,839.70x = 26,196,723,664.81 - Step 5: Solve for x
x = 26,196,723,664.81/178,839.70 - Step 6: Final answer
x = 146,481.59
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1.5x scale
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.