Finding the Fourth Proportional to 348,738.99, 481,135.90 and 227,949.90
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Solution
The fourth proportional to 348,738.99, 481,135.90 and 227,949.90 is: 314,489.87
Step by Step Solution
- Step 1: Write the proportion equation
348,738.99 : 481,135.90 = 227,949.90 : x - Step 2: Convert to fraction form
348,738.99/481,135.90 = 227,949.90/x - Step 3: Cross multiply
348,738.99x = 481,135.90 × 227,949.90 - Step 4: Simplify right side
348,738.99x = 109,674,880,291.41 - Step 5: Solve for x
x = 109,674,880,291.41/348,738.99 - Step 6: Final answer
x = 314,489.87
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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.