Finding the Fourth Proportional to 201,163.40, 301,553.10 and 74,769.80
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Solution
The fourth proportional to 201,163.40, 301,553.10 and 74,769.80 is: 112,083.34
Step by Step Solution
- Step 1: Write the proportion equation
201,163.40 : 301,553.10 = 74,769.80 : x - Step 2: Convert to fraction form
201,163.40/301,553.10 = 74,769.80/x - Step 3: Cross multiply
201,163.40x = 301,553.10 × 74,769.80 - Step 4: Simplify right side
201,163.40x = 22,547,064,976.38 - Step 5: Solve for x
x = 22,547,064,976.38/201,163.40 - Step 6: Final answer
x = 112,083.34
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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.