Finding the Fourth Proportional to 299,472.80, 449,209.20 and 122,107.10
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Solution
The fourth proportional to 299,472.80, 449,209.20 and 122,107.10 is: 183,160.65
Step by Step Solution
- Step 1: Write the proportion equation
299,472.80 : 449,209.20 = 122,107.10 : x - Step 2: Convert to fraction form
299,472.80/449,209.20 = 122,107.10/x - Step 3: Cross multiply
299,472.80x = 449,209.20 × 122,107.10 - Step 4: Simplify right side
299,472.80x = 54,851,632,705.32 - Step 5: Solve for x
x = 54,851,632,705.32/299,472.80 - Step 6: Final answer
x = 183,160.65
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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.