Finding the Fourth Proportional to 171,722.29, 236,759.00 and 122,722.48
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Solution
The fourth proportional to 171,722.29, 236,759.00 and 122,722.48 is: 169,201.40
Step by Step Solution
- Step 1: Write the proportion equation
171,722.29 : 236,759.00 = 122,722.48 : x - Step 2: Convert to fraction form
171,722.29/236,759.00 = 122,722.48/x - Step 3: Cross multiply
171,722.29x = 236,759.00 × 122,722.48 - Step 4: Simplify right side
171,722.29x = 29,055,651,682.03 - Step 5: Solve for x
x = 29,055,651,682.03/171,722.29 - Step 6: Final answer
x = 169,201.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.