Finding the Fourth Proportional to 287,377.37, 396,592.99 and 160,052.96
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Solution
The fourth proportional to 287,377.37, 396,592.99 and 160,052.96 is: 220,879.89
Step by Step Solution
- Step 1: Write the proportion equation
287,377.37 : 396,592.99 = 160,052.96 : x - Step 2: Convert to fraction form
287,377.37/396,592.99 = 160,052.96/x - Step 3: Cross multiply
287,377.37x = 396,592.99 × 160,052.96 - Step 4: Simplify right side
287,377.37x = 63,475,879,981.79 - Step 5: Solve for x
x = 63,475,879,981.79/287,377.37 - Step 6: Final answer
x = 220,879.89
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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.