Finding the Fourth Proportional to 306,377.46, 422,787.26 and 177,295.26
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Solution
The fourth proportional to 306,377.46, 422,787.26 and 177,295.26 is: 244,659.57
Step by Step Solution
- Step 1: Write the proportion equation
306,377.46 : 422,787.26 = 177,295.26 : x - Step 2: Convert to fraction form
306,377.46/422,787.26 = 177,295.26/x - Step 3: Cross multiply
306,377.46x = 422,787.26 × 177,295.26 - Step 4: Simplify right side
306,377.46x = 74,958,176,299.91 - Step 5: Solve for x
x = 74,958,176,299.91/306,377.46 - Step 6: Final answer
x = 244,659.57
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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.