Finding the Fourth Proportional to 269,363.62, 371,721.68 and 154,649.67
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Solution
The fourth proportional to 269,363.62, 371,721.68 and 154,649.67 is: 213,416.47
Step by Step Solution
- Step 1: Write the proportion equation
269,363.62 : 371,721.68 = 154,649.67 : x - Step 2: Convert to fraction form
269,363.62/371,721.68 = 154,649.67/x - Step 3: Cross multiply
269,363.62x = 371,721.68 × 154,649.67 - Step 4: Simplify right side
269,363.62x = 57,486,632,511.99 - Step 5: Solve for x
x = 57,486,632,511.99/269,363.62 - Step 6: Final answer
x = 213,416.47
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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.