Finding the Fourth Proportional to 246,327.62, 339,931.56 and 138,896.88
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Solution
The fourth proportional to 246,327.62, 339,931.56 and 138,896.88 is: 191,677.39
Step by Step Solution
- Step 1: Write the proportion equation
246,327.62 : 339,931.56 = 138,896.88 : x - Step 2: Convert to fraction form
246,327.62/339,931.56 = 138,896.88/x - Step 3: Cross multiply
246,327.62x = 339,931.56 × 138,896.88 - Step 4: Simplify right side
246,327.62x = 47,215,434,104.13 - Step 5: Solve for x
x = 47,215,434,104.13/246,327.62 - Step 6: Final answer
x = 191,677.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.