Finding the Fourth Proportional to 225,923.26, 311,774.26 and 125,321.26
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Solution
The fourth proportional to 225,923.26, 311,774.26 and 125,321.26 is: 172,943.43
Step by Step Solution
- Step 1: Write the proportion equation
225,923.26 : 311,774.26 = 125,321.26 : x - Step 2: Convert to fraction form
225,923.26/311,774.26 = 125,321.26/x - Step 3: Cross multiply
225,923.26x = 311,774.26 × 125,321.26 - Step 4: Simplify right side
225,923.26x = 39,071,943,098.77 - Step 5: Solve for x
x = 39,071,943,098.77/225,923.26 - Step 6: Final answer
x = 172,943.43
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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.