Finding the Fourth Proportional to 201,841.75, 278,541.62 and 112,417.75
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Solution
The fourth proportional to 201,841.75, 278,541.62 and 112,417.75 is: 155,136.50
Step by Step Solution
- Step 1: Write the proportion equation
201,841.75 : 278,541.62 = 112,417.75 : x - Step 2: Convert to fraction form
201,841.75/278,541.62 = 112,417.75/x - Step 3: Cross multiply
201,841.75x = 278,541.62 × 112,417.75 - Step 4: Simplify right side
201,841.75x = 31,313,022,201.76 - Step 5: Solve for x
x = 31,313,022,201.76/201,841.75 - Step 6: Final answer
x = 155,136.50
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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.