Finding the Fourth Proportional to 201,112.18, 301,664.35 and 81,165.94
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Solution
The fourth proportional to 201,112.18, 301,664.35 and 81,165.94 is: 121,747.33
Step by Step Solution
- Step 1: Write the proportion equation
201,112.18 : 301,664.35 = 81,165.94 : x - Step 2: Convert to fraction form
201,112.18/301,664.35 = 81,165.94/x - Step 3: Cross multiply
201,112.18x = 301,664.35 × 81,165.94 - Step 4: Simplify right side
201,112.18x = 24,484,870,532.24 - Step 5: Solve for x
x = 24,484,870,532.24/201,112.18 - Step 6: Final answer
x = 121,747.33
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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.