Finding the Fourth Proportional to 225,812.75, 311,635.58 and 125,210.75
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Solution
The fourth proportional to 225,812.75, 311,635.58 and 125,210.75 is: 172,798.58
Step by Step Solution
- Step 1: Write the proportion equation
225,812.75 : 311,635.58 = 125,210.75 : x - Step 2: Convert to fraction form
225,812.75/311,635.58 = 125,210.75/x - Step 3: Cross multiply
225,812.75x = 311,635.58 × 125,210.75 - Step 4: Simplify right side
225,812.75x = 39,020,122,514.25 - Step 5: Solve for x
x = 39,020,122,514.25/225,812.75 - Step 6: Final answer
x = 172,798.58
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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.