Finding the Fourth Proportional to 201,045.20, 301,567.80 and 122,183.60
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Solution
The fourth proportional to 201,045.20, 301,567.80 and 122,183.60 is: 183,275.40
Step by Step Solution
- Step 1: Write the proportion equation
201,045.20 : 301,567.80 = 122,183.60 : x - Step 2: Convert to fraction form
201,045.20/301,567.80 = 122,183.60/x - Step 3: Cross multiply
201,045.20x = 301,567.80 × 122,183.60 - Step 4: Simplify right side
201,045.20x = 36,846,639,448.08 - Step 5: Solve for x
x = 36,846,639,448.08/201,045.20 - Step 6: Final answer
x = 183,275.40
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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.