Finding the Fourth Proportional to 410,247.36, 615,393.44 and 129,743.68
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Solution
The fourth proportional to 410,247.36, 615,393.44 and 129,743.68 is: 194,622.60
Step by Step Solution
- Step 1: Write the proportion equation
410,247.36 : 615,393.44 = 129,743.68 : x - Step 2: Convert to fraction form
410,247.36/615,393.44 = 129,743.68/x - Step 3: Cross multiply
410,247.36x = 615,393.44 × 129,743.68 - Step 4: Simplify right side
410,247.36x = 79,843,409,553.46 - Step 5: Solve for x
x = 79,843,409,553.46/410,247.36 - Step 6: Final answer
x = 194,622.60
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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.