Finding the Fourth Proportional to 342,134.66, 472,126.82 and 189,163.96
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Solution
The fourth proportional to 342,134.66, 472,126.82 and 189,163.96 is: 261,035.75
Step by Step Solution
- Step 1: Write the proportion equation
342,134.66 : 472,126.82 = 189,163.96 : x - Step 2: Convert to fraction form
342,134.66/472,126.82 = 189,163.96/x - Step 3: Cross multiply
342,134.66x = 472,126.82 × 189,163.96 - Step 4: Simplify right side
342,134.66x = 89,309,378,893.41 - Step 5: Solve for x
x = 89,309,378,893.41/342,134.66 - Step 6: Final answer
x = 261,035.75
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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.