Finding the Fourth Proportional to 165,794.24, 248,764.80 and 86,889.68
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Solution
The fourth proportional to 165,794.24, 248,764.80 and 86,889.68 is: 130,373.01
Step by Step Solution
- Step 1: Write the proportion equation
165,794.24 : 248,764.80 = 86,889.68 : x - Step 2: Convert to fraction form
165,794.24/248,764.80 = 86,889.68/x - Step 3: Cross multiply
165,794.24x = 248,764.80 × 86,889.68 - Step 4: Simplify right side
165,794.24x = 21,615,093,867.26 - Step 5: Solve for x
x = 21,615,093,867.26/165,794.24 - Step 6: Final answer
x = 130,373.01
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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.