Finding the Fourth Proportional to 301,085.70, 451,628.55 and 201,293.70
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Solution
The fourth proportional to 301,085.70, 451,628.55 and 201,293.70 is: 301,940.55
Step by Step Solution
- Step 1: Write the proportion equation
301,085.70 : 451,628.55 = 201,293.70 : x - Step 2: Convert to fraction form
301,085.70/451,628.55 = 201,293.70/x - Step 3: Cross multiply
301,085.70x = 451,628.55 × 201,293.70 - Step 4: Simplify right side
301,085.70x = 90,909,981,855.14 - Step 5: Solve for x
x = 90,909,981,855.14/301,085.70 - Step 6: Final answer
x = 301,940.55
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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.