Finding the Fourth Proportional to 146,459.36, 202,112.76 and 82,809.68
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Solution
The fourth proportional to 146,459.36, 202,112.76 and 82,809.68 is: 114,276.70
Step by Step Solution
- Step 1: Write the proportion equation
146,459.36 : 202,112.76 = 82,809.68 : x - Step 2: Convert to fraction form
146,459.36/202,112.76 = 82,809.68/x - Step 3: Cross multiply
146,459.36x = 202,112.76 × 82,809.68 - Step 4: Simplify right side
146,459.36x = 16,736,892,979.52 - Step 5: Solve for x
x = 16,736,892,979.52/146,459.36 - Step 6: Final answer
x = 114,276.70
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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.