Finding the Fourth Proportional to 146,471.47, 219,790.19 and 57,787.26
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Solution
The fourth proportional to 146,471.47, 219,790.19 and 57,787.26 is: 86,713.62
Step by Step Solution
- Step 1: Write the proportion equation
146,471.47 : 219,790.19 = 57,787.26 : x - Step 2: Convert to fraction form
146,471.47/219,790.19 = 57,787.26/x - Step 3: Cross multiply
146,471.47x = 219,790.19 × 57,787.26 - Step 4: Simplify right side
146,471.47x = 12,701,072,175.23 - Step 5: Solve for x
x = 12,701,072,175.23/146,471.47 - Step 6: Final answer
x = 86,713.62
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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.