Finding the Fourth Proportional to 225,793.28, 311,594.64 and 122,427.56
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Solution
The fourth proportional to 225,793.28, 311,594.64 and 122,427.56 is: 168,949.99
Step by Step Solution
- Step 1: Write the proportion equation
225,793.28 : 311,594.64 = 122,427.56 : x - Step 2: Convert to fraction form
225,793.28/311,594.64 = 122,427.56/x - Step 3: Cross multiply
225,793.28x = 311,594.64 × 122,427.56 - Step 4: Simplify right side
225,793.28x = 38,147,771,484.28 - Step 5: Solve for x
x = 38,147,771,484.28/225,793.28 - Step 6: Final answer
x = 168,949.99
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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.