Finding the Fourth Proportional to 226,009.44, 311,888.88 and 125,405.28
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Solution
The fourth proportional to 226,009.44, 311,888.88 and 125,405.28 is: 173,056.99
Step by Step Solution
- Step 1: Write the proportion equation
226,009.44 : 311,888.88 = 125,405.28 : x - Step 2: Convert to fraction form
226,009.44/311,888.88 = 125,405.28/x - Step 3: Cross multiply
226,009.44x = 311,888.88 × 125,405.28 - Step 4: Simplify right side
226,009.44x = 39,112,512,325.29 - Step 5: Solve for x
x = 39,112,512,325.29/226,009.44 - Step 6: Final answer
x = 173,056.99
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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.