Finding the Fourth Proportional to 202,136.05, 278,949.07 and 111,494.46
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Solution
The fourth proportional to 202,136.05, 278,949.07 and 111,494.46 is: 153,863.09
Step by Step Solution
- Step 1: Write the proportion equation
202,136.05 : 278,949.07 = 111,494.46 : x - Step 2: Convert to fraction form
202,136.05/278,949.07 = 111,494.46/x - Step 3: Cross multiply
202,136.05x = 278,949.07 × 111,494.46 - Step 4: Simplify right side
202,136.05x = 31,101,276,485.42 - Step 5: Solve for x
x = 31,101,276,485.42/202,136.05 - Step 6: Final answer
x = 153,863.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.