Finding the Fourth Proportional to 225,040.44, 310,634.01 and 129,585.18
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Solution
The fourth proportional to 225,040.44, 310,634.01 and 129,585.18 is: 178,872.58
Step by Step Solution
- Step 1: Write the proportion equation
225,040.44 : 310,634.01 = 129,585.18 : x - Step 2: Convert to fraction form
225,040.44/310,634.01 = 129,585.18/x - Step 3: Cross multiply
225,040.44x = 310,634.01 × 129,585.18 - Step 4: Simplify right side
225,040.44x = 40,253,564,099.97 - Step 5: Solve for x
x = 40,253,564,099.97/225,040.44 - Step 6: Final answer
x = 178,872.58
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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.