Finding the Fourth Proportional to 299,689.20, 449,533.80 and 122,104.80
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Solution
The fourth proportional to 299,689.20, 449,533.80 and 122,104.80 is: 183,157.20
Step by Step Solution
- Step 1: Write the proportion equation
299,689.20 : 449,533.80 = 122,104.80 : x - Step 2: Convert to fraction form
299,689.20/449,533.80 = 122,104.80/x - Step 3: Cross multiply
299,689.20x = 449,533.80 × 122,104.80 - Step 4: Simplify right side
299,689.20x = 54,890,234,742.24 - Step 5: Solve for x
x = 54,890,234,742.24/299,689.20 - Step 6: Final answer
x = 183,157.20
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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.