Finding the Fourth Proportional to 201,022.19, 277,389.92 and 120,447.65
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Solution
The fourth proportional to 201,022.19, 277,389.92 and 120,447.65 is: 166,205.35
Step by Step Solution
- Step 1: Write the proportion equation
201,022.19 : 277,389.92 = 120,447.65 : x - Step 2: Convert to fraction form
201,022.19/277,389.92 = 120,447.65/x - Step 3: Cross multiply
201,022.19x = 277,389.92 × 120,447.65 - Step 4: Simplify right side
201,022.19x = 33,410,962,008.50 - Step 5: Solve for x
x = 33,410,962,008.50/201,022.19 - Step 6: Final answer
x = 166,205.35
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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.