Finding the Fourth Proportional to 192,974.74, 266,435.11 and 120,487.99
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Solution
The fourth proportional to 192,974.74, 266,435.11 and 120,487.99 is: 166,354.58
Step by Step Solution
- Step 1: Write the proportion equation
192,974.74 : 266,435.11 = 120,487.99 : x - Step 2: Convert to fraction form
192,974.74/266,435.11 = 120,487.99/x - Step 3: Cross multiply
192,974.74x = 266,435.11 × 120,487.99 - Step 4: Simplify right side
192,974.74x = 32,102,230,869.33 - Step 5: Solve for x
x = 32,102,230,869.33/192,974.74 - Step 6: Final answer
x = 166,354.58
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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.