Finding the Fourth Proportional to 381,791.14, 526,874.97 and 212,028.10
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Solution
The fourth proportional to 381,791.14, 526,874.97 and 212,028.10 is: 292,600.55
Step by Step Solution
- Step 1: Write the proportion equation
381,791.14 : 526,874.97 = 212,028.10 : x - Step 2: Convert to fraction form
381,791.14/526,874.97 = 212,028.10/x - Step 3: Cross multiply
381,791.14x = 526,874.97 × 212,028.10 - Step 4: Simplify right side
381,791.14x = 111,712,298,826.66 - Step 5: Solve for x
x = 111,712,298,826.66/381,791.14 - Step 6: Final answer
x = 292,600.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.