Finding the Fourth Proportional to 299,588.10, 449,163.45 and 122,003.70
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Solution
The fourth proportional to 299,588.10, 449,163.45 and 122,003.70 is: 182,916.49
Step by Step Solution
- Step 1: Write the proportion equation
299,588.10 : 449,163.45 = 122,003.70 : x - Step 2: Convert to fraction form
299,588.10/449,163.45 = 122,003.70/x - Step 3: Cross multiply
299,588.10x = 449,163.45 × 122,003.70 - Step 4: Simplify right side
299,588.10x = 54,799,602,804.77 - Step 5: Solve for x
x = 54,799,602,804.77/299,588.10 - Step 6: Final answer
x = 182,916.49
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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.