Finding the Fourth Proportional to 227,904.21, 314,491.68 and 125,928.60
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Solution
The fourth proportional to 227,904.21, 314,491.68 and 125,928.60 is: 173,772.56
Step by Step Solution
- Step 1: Write the proportion equation
227,904.21 : 314,491.68 = 125,928.60 : x - Step 2: Convert to fraction form
227,904.21/314,491.68 = 125,928.60/x - Step 3: Cross multiply
227,904.21x = 314,491.68 × 125,928.60 - Step 4: Simplify right side
227,904.21x = 39,603,496,974.05 - Step 5: Solve for x
x = 39,603,496,974.05/227,904.21 - Step 6: Final answer
x = 173,772.56
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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.