Finding the Fourth Proportional to 201,768.75, 278,460.33 and 112,344.75
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Solution
The fourth proportional to 201,768.75, 278,460.33 and 112,344.75 is: 155,046.59
Step by Step Solution
- Step 1: Write the proportion equation
201,768.75 : 278,460.33 = 112,344.75 : x - Step 2: Convert to fraction form
201,768.75/278,460.33 = 112,344.75/x - Step 3: Cross multiply
201,768.75x = 278,460.33 × 112,344.75 - Step 4: Simplify right side
201,768.75x = 31,283,556,158.77 - Step 5: Solve for x
x = 31,283,556,158.77/201,768.75 - Step 6: Final answer
x = 155,046.59
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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.