Finding the Fourth Proportional to 393,350.10, 590,025.15 and 235,497.30
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Solution
The fourth proportional to 393,350.10, 590,025.15 and 235,497.30 is: 353,245.95
Step by Step Solution
- Step 1: Write the proportion equation
393,350.10 : 590,025.15 = 235,497.30 : x - Step 2: Convert to fraction form
393,350.10/590,025.15 = 235,497.30/x - Step 3: Cross multiply
393,350.10x = 590,025.15 × 235,497.30 - Step 4: Simplify right side
393,350.10x = 138,949,329,757.10 - Step 5: Solve for x
x = 138,949,329,757.10/393,350.10 - Step 6: Final answer
x = 353,245.95
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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.