Finding the Fourth Proportional to 410,324.36, 615,480.14 and 210,529.44
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Solution
The fourth proportional to 410,324.36, 615,480.14 and 210,529.44 is: 315,790.88
Step by Step Solution
- Step 1: Write the proportion equation
410,324.36 : 615,480.14 = 210,529.44 : x - Step 2: Convert to fraction form
410,324.36/615,480.14 = 210,529.44/x - Step 3: Cross multiply
410,324.36x = 615,480.14 × 210,529.44 - Step 4: Simplify right side
410,324.36x = 129,576,689,205.32 - Step 5: Solve for x
x = 129,576,689,205.32/410,324.36 - Step 6: Final answer
x = 315,790.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.