Finding the Fourth Proportional to 239,367.08, 330,324.92 and 131,937.20
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Solution
The fourth proportional to 239,367.08, 330,324.92 and 131,937.20 is: 182,072.43
Step by Step Solution
- Step 1: Write the proportion equation
239,367.08 : 330,324.92 = 131,937.20 : x - Step 2: Convert to fraction form
239,367.08/330,324.92 = 131,937.20/x - Step 3: Cross multiply
239,367.08x = 330,324.92 × 131,937.20 - Step 4: Simplify right side
239,367.08x = 43,582,145,035.02 - Step 5: Solve for x
x = 43,582,145,035.02/239,367.08 - Step 6: Final answer
x = 182,072.43
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1.5x scale
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.