Finding the Fourth Proportional to 165,717.48, 248,608.71 and 65,859.06
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Solution
The fourth proportional to 165,717.48, 248,608.71 and 65,859.06 is: 98,801.50
Step by Step Solution
- Step 1: Write the proportion equation
165,717.48 : 248,608.71 = 65,859.06 : x - Step 2: Convert to fraction form
165,717.48/248,608.71 = 65,859.06/x - Step 3: Cross multiply
165,717.48x = 248,608.71 × 65,859.06 - Step 4: Simplify right side
165,717.48x = 16,373,135,948.41 - Step 5: Solve for x
x = 16,373,135,948.41/165,717.48 - Step 6: Final answer
x = 98,801.50
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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.