Finding the Fourth Proportional to 165,448.36, 248,169.66 and 47,120.68
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Solution
The fourth proportional to 165,448.36, 248,169.66 and 47,120.68 is: 70,680.20
Step by Step Solution
- Step 1: Write the proportion equation
165,448.36 : 248,169.66 = 47,120.68 : x - Step 2: Convert to fraction form
165,448.36/248,169.66 = 47,120.68/x - Step 3: Cross multiply
165,448.36x = 248,169.66 × 47,120.68 - Step 4: Simplify right side
165,448.36x = 11,693,923,134.57 - Step 5: Solve for x
x = 11,693,923,134.57/165,448.36 - Step 6: Final answer
x = 70,680.20
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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.