Finding the Fourth Proportional to 201,625.07, 278,240.40 and 110,979.09
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Solution
The fourth proportional to 201,625.07, 278,240.40 and 110,979.09 is: 153,149.94
Step by Step Solution
- Step 1: Write the proportion equation
201,625.07 : 278,240.40 = 110,979.09 : x - Step 2: Convert to fraction form
201,625.07/278,240.40 = 110,979.09/x - Step 3: Cross multiply
201,625.07x = 278,240.40 × 110,979.09 - Step 4: Simplify right side
201,625.07x = 30,878,866,393.24 - Step 5: Solve for x
x = 30,878,866,393.24/201,625.07 - Step 6: Final answer
x = 153,149.94
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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.