Finding the Fourth Proportional to 201,378.30, 302,067.45 and 135,023.10
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Solution
The fourth proportional to 201,378.30, 302,067.45 and 135,023.10 is: 202,534.65
Step by Step Solution
- Step 1: Write the proportion equation
201,378.30 : 302,067.45 = 135,023.10 : x - Step 2: Convert to fraction form
201,378.30/302,067.45 = 135,023.10/x - Step 3: Cross multiply
201,378.30x = 302,067.45 × 135,023.10 - Step 4: Simplify right side
201,378.30x = 40,786,083,508.10 - Step 5: Solve for x
x = 40,786,083,508.10/201,378.30 - Step 6: Final answer
x = 202,534.65
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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.