Finding the Fourth Proportional to 225,495.28, 311,166.36 and 124,891.12
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Solution
The fourth proportional to 225,495.28, 311,166.36 and 124,891.12 is: 172,340.26
Step by Step Solution
- Step 1: Write the proportion equation
225,495.28 : 311,166.36 = 124,891.12 : x - Step 2: Convert to fraction form
225,495.28/311,166.36 = 124,891.12/x - Step 3: Cross multiply
225,495.28x = 311,166.36 × 124,891.12 - Step 4: Simplify right side
225,495.28x = 38,861,915,206.72 - Step 5: Solve for x
x = 38,861,915,206.72/225,495.28 - Step 6: Final answer
x = 172,340.26
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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.