Finding the Fourth Proportional to 201,633.30, 302,449.95 and 83,243.70
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Solution
The fourth proportional to 201,633.30, 302,449.95 and 83,243.70 is: 124,865.55
Step by Step Solution
- Step 1: Write the proportion equation
201,633.30 : 302,449.95 = 83,243.70 : x - Step 2: Convert to fraction form
201,633.30/302,449.95 = 83,243.70/x - Step 3: Cross multiply
201,633.30x = 302,449.95 × 83,243.70 - Step 4: Simplify right side
201,633.30x = 25,177,052,902.82 - Step 5: Solve for x
x = 25,177,052,902.82/201,633.30 - Step 6: Final answer
x = 124,865.55
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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.