Finding the Fourth Proportional to 201,676.90, 302,515.35 and 127,027.30
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Solution
The fourth proportional to 201,676.90, 302,515.35 and 127,027.30 is: 190,540.95
Step by Step Solution
- Step 1: Write the proportion equation
201,676.90 : 302,515.35 = 127,027.30 : x - Step 2: Convert to fraction form
201,676.90/302,515.35 = 127,027.30/x - Step 3: Cross multiply
201,676.90x = 302,515.35 × 127,027.30 - Step 4: Simplify right side
201,676.90x = 38,427,708,119.06 - Step 5: Solve for x
x = 38,427,708,119.06/201,676.90 - Step 6: Final answer
x = 190,540.95
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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.