Finding the Fourth Proportional to 201,801.80, 302,486.70 and 68,558.60
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Solution
The fourth proportional to 201,801.80, 302,486.70 and 68,558.60 is: 102,764.52
Step by Step Solution
- Step 1: Write the proportion equation
201,801.80 : 302,486.70 = 68,558.60 : x - Step 2: Convert to fraction form
201,801.80/302,486.70 = 68,558.60/x - Step 3: Cross multiply
201,801.80x = 302,486.70 × 68,558.60 - Step 4: Simplify right side
201,801.80x = 20,738,064,670.62 - Step 5: Solve for x
x = 20,738,064,670.62/201,801.80 - Step 6: Final answer
x = 102,764.52
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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.