Finding the Fourth Proportional to 225,445.92, 311,114.76 and 129,952.08
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Solution
The fourth proportional to 225,445.92, 311,114.76 and 129,952.08 is: 179,333.52
Step by Step Solution
- Step 1: Write the proportion equation
225,445.92 : 311,114.76 = 129,952.08 : x - Step 2: Convert to fraction form
225,445.92/311,114.76 = 129,952.08/x - Step 3: Cross multiply
225,445.92x = 311,114.76 × 129,952.08 - Step 4: Simplify right side
225,445.92x = 40,430,010,180.70 - Step 5: Solve for x
x = 40,430,010,180.70/225,445.92 - Step 6: Final answer
x = 179,333.52
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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.