Finding the Fourth Proportional to 113,164.24, 169,746.36 and 34,286.44
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Solution
The fourth proportional to 113,164.24, 169,746.36 and 34,286.44 is: 51,429.66
Step by Step Solution
- Step 1: Write the proportion equation
113,164.24 : 169,746.36 = 34,286.44 : x - Step 2: Convert to fraction form
113,164.24/169,746.36 = 34,286.44/x - Step 3: Cross multiply
113,164.24x = 169,746.36 × 34,286.44 - Step 4: Simplify right side
113,164.24x = 5,819,998,387.36 - Step 5: Solve for x
x = 5,819,998,387.36/113,164.24 - Step 6: Final answer
x = 51,429.66
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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.