Finding the Fourth Proportional to 146,451.66, 202,104.36 and 82,785.66
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Solution
The fourth proportional to 146,451.66, 202,104.36 and 82,785.66 is: 114,244.82
Step by Step Solution
- Step 1: Write the proportion equation
146,451.66 : 202,104.36 = 82,785.66 : x - Step 2: Convert to fraction form
146,451.66/202,104.36 = 82,785.66/x - Step 3: Cross multiply
146,451.66x = 202,104.36 × 82,785.66 - Step 4: Simplify right side
146,451.66x = 16,731,342,831.48 - Step 5: Solve for x
x = 16,731,342,831.48/146,451.66 - Step 6: Final answer
x = 114,244.82
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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.