Finding the Fourth Proportional to 226,018.08, 311,906.16 and 125,416.08
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Solution
The fourth proportional to 226,018.08, 311,906.16 and 125,416.08 is: 173,074.86
Step by Step Solution
- Step 1: Write the proportion equation
226,018.08 : 311,906.16 = 125,416.08 : x - Step 2: Convert to fraction form
226,018.08/311,906.16 = 125,416.08/x - Step 3: Cross multiply
226,018.08x = 311,906.16 × 125,416.08 - Step 4: Simplify right side
226,018.08x = 39,118,047,915.05 - Step 5: Solve for x
x = 39,118,047,915.05/226,018.08 - Step 6: Final answer
x = 173,074.86
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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.