Finding the Fourth Proportional to 201,272.13, 301,905.09 and 51,511.14
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Solution
The fourth proportional to 201,272.13, 301,905.09 and 51,511.14 is: 77,265.92
Step by Step Solution
- Step 1: Write the proportion equation
201,272.13 : 301,905.09 = 51,511.14 : x - Step 2: Convert to fraction form
201,272.13/301,905.09 = 51,511.14/x - Step 3: Cross multiply
201,272.13x = 301,905.09 × 51,511.14 - Step 4: Simplify right side
201,272.13x = 15,551,475,357.70 - Step 5: Solve for x
x = 15,551,475,357.70/201,272.13 - Step 6: Final answer
x = 77,265.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.