Finding the Fourth Proportional to 299,711.70, 449,740.35 and 112,857.30
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Solution
The fourth proportional to 299,711.70, 449,740.35 and 112,857.30 is: 169,351.02
Step by Step Solution
- Step 1: Write the proportion equation
299,711.70 : 449,740.35 = 112,857.30 : x - Step 2: Convert to fraction form
299,711.70/449,740.35 = 112,857.30/x - Step 3: Cross multiply
299,711.70x = 449,740.35 × 112,857.30 - Step 4: Simplify right side
299,711.70x = 50,756,481,602.06 - Step 5: Solve for x
x = 50,756,481,602.06/299,711.70 - Step 6: Final answer
x = 169,351.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.