Finding the Fourth Proportional to 200,136.24, 276,221.88 and 115,237.68
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Solution
The fourth proportional to 200,136.24, 276,221.88 and 115,237.68 is: 159,047.50
Step by Step Solution
- Step 1: Write the proportion equation
200,136.24 : 276,221.88 = 115,237.68 : x - Step 2: Convert to fraction form
200,136.24/276,221.88 = 115,237.68/x - Step 3: Cross multiply
200,136.24x = 276,221.88 × 115,237.68 - Step 4: Simplify right side
200,136.24x = 31,831,168,616.44 - Step 5: Solve for x
x = 31,831,168,616.44/200,136.24 - Step 6: Final answer
x = 159,047.50
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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.