Finding the Fourth Proportional to 247,573.40, 370,922.70 and 202,958.60
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Solution
The fourth proportional to 247,573.40, 370,922.70 and 202,958.60 is: 304,079.32
Step by Step Solution
- Step 1: Write the proportion equation
247,573.40 : 370,922.70 = 202,958.60 : x - Step 2: Convert to fraction form
247,573.40/370,922.70 = 202,958.60/x - Step 3: Cross multiply
247,573.40x = 370,922.70 × 202,958.60 - Step 4: Simplify right side
247,573.40x = 75,281,951,900.22 - Step 5: Solve for x
x = 75,281,951,900.22/247,573.40 - Step 6: Final answer
x = 304,079.32
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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.