Finding the Fourth Proportional to 410,207.20, 615,310.80 and 298,232.80
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Solution
The fourth proportional to 410,207.20, 615,310.80 and 298,232.80 is: 447,349.20
Step by Step Solution
- Step 1: Write the proportion equation
410,207.20 : 615,310.80 = 298,232.80 : x - Step 2: Convert to fraction form
410,207.20/615,310.80 = 298,232.80/x - Step 3: Cross multiply
410,207.20x = 615,310.80 × 298,232.80 - Step 4: Simplify right side
410,207.20x = 183,505,862,754.24 - Step 5: Solve for x
x = 183,505,862,754.24/410,207.20 - Step 6: Final answer
x = 447,349.20
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1.5x scale
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.