Finding the Fourth Proportional to 178,451.13, 267,676.70 and 67,643.13
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Solution
The fourth proportional to 178,451.13, 267,676.70 and 67,643.13 is: 101,464.70
Step by Step Solution
- Step 1: Write the proportion equation
178,451.13 : 267,676.70 = 67,643.13 : x - Step 2: Convert to fraction form
178,451.13/267,676.70 = 67,643.13/x - Step 3: Cross multiply
178,451.13x = 267,676.70 × 67,643.13 - Step 4: Simplify right side
178,451.13x = 18,106,489,816.07 - Step 5: Solve for x
x = 18,106,489,816.07/178,451.13 - Step 6: Final answer
x = 101,464.70
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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.