Finding the Fourth Proportional to 225,978.24, 311,862.24 and 125,378.40
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Solution
The fourth proportional to 225,978.24, 311,862.24 and 125,378.40 is: 173,029.00
Step by Step Solution
- Step 1: Write the proportion equation
225,978.24 : 311,862.24 = 125,378.40 : x - Step 2: Convert to fraction form
225,978.24/311,862.24 = 125,378.40/x - Step 3: Cross multiply
225,978.24x = 311,862.24 × 125,378.40 - Step 4: Simplify right side
225,978.24x = 39,100,788,671.62 - Step 5: Solve for x
x = 39,100,788,671.62/225,978.24 - Step 6: Final answer
x = 173,029.00
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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.