Finding the Fourth Proportional to 378,032.10, 567,048.15 and 349,163.70
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Solution
The fourth proportional to 378,032.10, 567,048.15 and 349,163.70 is: 523,745.55
Step by Step Solution
- Step 1: Write the proportion equation
378,032.10 : 567,048.15 = 349,163.70 : x - Step 2: Convert to fraction form
378,032.10/567,048.15 = 349,163.70/x - Step 3: Cross multiply
378,032.10x = 567,048.15 × 349,163.70 - Step 4: Simplify right side
378,032.10x = 197,992,630,132.16 - Step 5: Solve for x
x = 197,992,630,132.16/378,032.10 - Step 6: Final answer
x = 523,745.55
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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.