Finding the Fourth Proportional to 157,556.20, 236,334.30 and 122,126.80
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Solution
The fourth proportional to 157,556.20, 236,334.30 and 122,126.80 is: 183,190.20
Step by Step Solution
- Step 1: Write the proportion equation
157,556.20 : 236,334.30 = 122,126.80 : x - Step 2: Convert to fraction form
157,556.20/236,334.30 = 122,126.80/x - Step 3: Cross multiply
157,556.20x = 236,334.30 × 122,126.80 - Step 4: Simplify right side
157,556.20x = 28,862,751,789.24 - Step 5: Solve for x
x = 28,862,751,789.24/157,556.20 - Step 6: Final answer
x = 183,190.20
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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.