Finding the Fourth Proportional to 547,201.09, 820,883.58 and 192,152.53
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Solution
The fourth proportional to 547,201.09, 820,883.58 and 192,152.53 is: 288,257.57
Step by Step Solution
- Step 1: Write the proportion equation
547,201.09 : 820,883.58 = 192,152.53 : x - Step 2: Convert to fraction form
547,201.09/820,883.58 = 192,152.53/x - Step 3: Cross multiply
547,201.09x = 820,883.58 × 192,152.53 - Step 4: Simplify right side
547,201.09x = 157,734,856,732.46 - Step 5: Solve for x
x = 157,734,856,732.46/547,201.09 - Step 6: Final answer
x = 288,257.57
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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.