Finding the Fourth Proportional to 201,698.90, 302,548.35 and 68,729.30
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Solution
The fourth proportional to 201,698.90, 302,548.35 and 68,729.30 is: 103,093.95
Step by Step Solution
- Step 1: Write the proportion equation
201,698.90 : 302,548.35 = 68,729.30 : x - Step 2: Convert to fraction form
201,698.90/302,548.35 = 68,729.30/x - Step 3: Cross multiply
201,698.90x = 302,548.35 × 68,729.30 - Step 4: Simplify right side
201,698.90x = 20,793,936,311.66 - Step 5: Solve for x
x = 20,793,936,311.66/201,698.90 - Step 6: Final answer
x = 103,093.95
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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.