Finding the Fourth Proportional to 201,624.07, 278,239.02 and 110,978.09
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Solution
The fourth proportional to 201,624.07, 278,239.02 and 110,978.09 is: 153,148.56
Step by Step Solution
- Step 1: Write the proportion equation
201,624.07 : 278,239.02 = 110,978.09 : x - Step 2: Convert to fraction form
201,624.07/278,239.02 = 110,978.09/x - Step 3: Cross multiply
201,624.07x = 278,239.02 × 110,978.09 - Step 4: Simplify right side
201,624.07x = 30,878,435,003.07 - Step 5: Solve for x
x = 30,878,435,003.07/201,624.07 - Step 6: Final answer
x = 153,148.56
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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.