Finding the Fourth Proportional to 351,394.77, 526,540.21 and 271,628.19
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Solution
The fourth proportional to 351,394.77, 526,540.21 and 271,628.19 is: 407,015.63
Step by Step Solution
- Step 1: Write the proportion equation
351,394.77 : 526,540.21 = 271,628.19 : x - Step 2: Convert to fraction form
351,394.77/526,540.21 = 271,628.19/x - Step 3: Cross multiply
351,394.77x = 526,540.21 × 271,628.19 - Step 4: Simplify right side
351,394.77x = 143,023,164,204.52 - Step 5: Solve for x
x = 143,023,164,204.52/351,394.77 - Step 6: Final answer
x = 407,015.63
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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.