Finding the Fourth Proportional to 201,149.49, 301,834.80 and 122,319.09
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Solution
The fourth proportional to 201,149.49, 301,834.80 and 122,319.09 is: 183,545.87
Step by Step Solution
- Step 1: Write the proportion equation
201,149.49 : 301,834.80 = 122,319.09 : x - Step 2: Convert to fraction form
201,149.49/301,834.80 = 122,319.09/x - Step 3: Cross multiply
201,149.49x = 301,834.80 × 122,319.09 - Step 4: Simplify right side
201,149.49x = 36,920,158,066.33 - Step 5: Solve for x
x = 36,920,158,066.33/201,149.49 - Step 6: Final answer
x = 183,545.87
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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.