Finding the Fourth Proportional to 122,274.63, 183,464.74 and 66,154.28
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Solution
The fourth proportional to 122,274.63, 183,464.74 and 66,154.28 is: 99,259.99
Step by Step Solution
- Step 1: Write the proportion equation
122,274.63 : 183,464.74 = 66,154.28 : x - Step 2: Convert to fraction form
122,274.63/183,464.74 = 66,154.28/x - Step 3: Cross multiply
122,274.63x = 183,464.74 × 66,154.28 - Step 4: Simplify right side
122,274.63x = 12,136,977,780.09 - Step 5: Solve for x
x = 12,136,977,780.09/122,274.63 - Step 6: Final answer
x = 99,259.99
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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.