Finding the Fourth Proportional to 225,930.75, 311,784.44 and 125,348.19
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Solution
The fourth proportional to 225,930.75, 311,784.44 and 125,348.19 is: 172,980.50
Step by Step Solution
- Step 1: Write the proportion equation
225,930.75 : 311,784.44 = 125,348.19 : x - Step 2: Convert to fraction form
225,930.75/311,784.44 = 125,348.19/x - Step 3: Cross multiply
225,930.75x = 311,784.44 × 125,348.19 - Step 4: Simplify right side
225,930.75x = 39,081,614,597.42 - Step 5: Solve for x
x = 39,081,614,597.42/225,930.75 - Step 6: Final answer
x = 172,980.50
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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.