Finding the Fourth Proportional to 627,422.79, 940,992.84 and 178,134.42
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Solution
The fourth proportional to 627,422.79, 940,992.84 and 178,134.42 is: 267,161.50
Step by Step Solution
- Step 1: Write the proportion equation
627,422.79 : 940,992.84 = 178,134.42 : x - Step 2: Convert to fraction form
627,422.79/940,992.84 = 178,134.42/x - Step 3: Cross multiply
627,422.79x = 940,992.84 × 178,134.42 - Step 4: Simplify right side
627,422.79x = 167,623,213,777.55 - Step 5: Solve for x
x = 167,623,213,777.55/627,422.79 - Step 6: Final answer
x = 267,161.50
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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.