Finding the Fourth Proportional to 269,794.62, 371,970.67 and 221,217.70
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Solution
The fourth proportional to 269,794.62, 371,970.67 and 221,217.70 is: 304,996.80
Step by Step Solution
- Step 1: Write the proportion equation
269,794.62 : 371,970.67 = 221,217.70 : x - Step 2: Convert to fraction form
269,794.62/371,970.67 = 221,217.70/x - Step 3: Cross multiply
269,794.62x = 371,970.67 × 221,217.70 - Step 4: Simplify right side
269,794.62x = 82,286,496,084.86 - Step 5: Solve for x
x = 82,286,496,084.86/269,794.62 - Step 6: Final answer
x = 304,996.80
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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.