Finding the Fourth Proportional to 127,676.97, 191,508.26 and 56,579.13
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Solution
The fourth proportional to 127,676.97, 191,508.26 and 56,579.13 is: 84,865.50
Step by Step Solution
- Step 1: Write the proportion equation
127,676.97 : 191,508.26 = 56,579.13 : x - Step 2: Convert to fraction form
127,676.97/191,508.26 = 56,579.13/x - Step 3: Cross multiply
127,676.97x = 191,508.26 × 56,579.13 - Step 4: Simplify right side
127,676.97x = 10,835,370,455.72 - Step 5: Solve for x
x = 10,835,370,455.72/127,676.97 - Step 6: Final answer
x = 84,865.50
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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.