Finding the Fourth Proportional to 275,639.41, 412,905.52 and 125,673.41
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Solution
The fourth proportional to 275,639.41, 412,905.52 and 125,673.41 is: 188,257.71
Step by Step Solution
- Step 1: Write the proportion equation
275,639.41 : 412,905.52 = 125,673.41 : x - Step 2: Convert to fraction form
275,639.41/412,905.52 = 125,673.41/x - Step 3: Cross multiply
275,639.41x = 412,905.52 × 125,673.41 - Step 4: Simplify right side
275,639.41x = 51,891,244,706.22 - Step 5: Solve for x
x = 51,891,244,706.22/275,639.41 - Step 6: Final answer
x = 188,257.71
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1.5x scale
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.