Finding the Fourth Proportional to 178,119.64, 267,197.01 and 51,760.99
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Solution
The fourth proportional to 178,119.64, 267,197.01 and 51,760.99 is: 77,646.58
Step by Step Solution
- Step 1: Write the proportion equation
178,119.64 : 267,197.01 = 51,760.99 : x - Step 2: Convert to fraction form
178,119.64/267,197.01 = 51,760.99/x - Step 3: Cross multiply
178,119.64x = 267,197.01 × 51,760.99 - Step 4: Simplify right side
178,119.64x = 13,830,380,167.85 - Step 5: Solve for x
x = 13,830,380,167.85/178,119.64 - Step 6: Final answer
x = 77,646.58
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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.