Finding the Fourth Proportional to 410,183.60, 615,372.60 and 210,534.80
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Solution
The fourth proportional to 410,183.60, 615,372.60 and 210,534.80 is: 315,852.09
Step by Step Solution
- Step 1: Write the proportion equation
410,183.60 : 615,372.60 = 210,534.80 : x - Step 2: Convert to fraction form
410,183.60/615,372.60 = 210,534.80/x - Step 3: Cross multiply
410,183.60x = 615,372.60 × 210,534.80 - Step 4: Simplify right side
410,183.60x = 129,557,347,266.48 - Step 5: Solve for x
x = 129,557,347,266.48/410,183.60 - Step 6: Final answer
x = 315,852.09
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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.