Finding the Fourth Proportional to 239,621.22, 330,679.80 and 132,195.24
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Solution
The fourth proportional to 239,621.22, 330,679.80 and 132,195.24 is: 182,430.82
Step by Step Solution
- Step 1: Write the proportion equation
239,621.22 : 330,679.80 = 132,195.24 : x - Step 2: Convert to fraction form
239,621.22/330,679.80 = 132,195.24/x - Step 3: Cross multiply
239,621.22x = 330,679.80 × 132,195.24 - Step 4: Simplify right side
239,621.22x = 43,714,295,524.15 - Step 5: Solve for x
x = 43,714,295,524.15/239,621.22 - Step 6: Final answer
x = 182,430.82
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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.