Finding the Fourth Proportional to 299,857.08, 449,859.44 and 211,283.56
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Solution
The fourth proportional to 299,857.08, 449,859.44 and 211,283.56 is: 316,977.35
Step by Step Solution
- Step 1: Write the proportion equation
299,857.08 : 449,859.44 = 211,283.56 : x - Step 2: Convert to fraction form
299,857.08/449,859.44 = 211,283.56/x - Step 3: Cross multiply
299,857.08x = 449,859.44 × 211,283.56 - Step 4: Simplify right side
299,857.08x = 95,047,903,982.81 - Step 5: Solve for x
x = 95,047,903,982.81/299,857.08 - Step 6: Final answer
x = 316,977.35
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1.5x scale
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.