Finding the Fourth Proportional to 201,751.88, 278,407.52 and 111,115.68
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Solution
The fourth proportional to 201,751.88, 278,407.52 and 111,115.68 is: 153,334.09
Step by Step Solution
- Step 1: Write the proportion equation
201,751.88 : 278,407.52 = 111,115.68 : x - Step 2: Convert to fraction form
201,751.88/278,407.52 = 111,115.68/x - Step 3: Cross multiply
201,751.88x = 278,407.52 × 111,115.68 - Step 4: Simplify right side
201,751.88x = 30,935,440,901.91 - Step 5: Solve for x
x = 30,935,440,901.91/201,751.88 - Step 6: Final answer
x = 153,334.09
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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.