Finding the Fourth Proportional to 201,616.07, 278,228.02 and 110,970.09
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Solution
The fourth proportional to 201,616.07, 278,228.02 and 110,970.09 is: 153,137.54
Step by Step Solution
- Step 1: Write the proportion equation
201,616.07 : 278,228.02 = 110,970.09 : x - Step 2: Convert to fraction form
201,616.07/278,228.02 = 110,970.09/x - Step 3: Cross multiply
201,616.07x = 278,228.02 × 110,970.09 - Step 4: Simplify right side
201,616.07x = 30,874,988,419.92 - Step 5: Solve for x
x = 30,874,988,419.92/201,616.07 - Step 6: Final answer
x = 153,137.54
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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.