Finding the Fourth Proportional to 238,829.70, 329,576.67 and 131,398.62
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Solution
The fourth proportional to 238,829.70, 329,576.67 and 131,398.62 is: 181,325.52
Step by Step Solution
- Step 1: Write the proportion equation
238,829.70 : 329,576.67 = 131,398.62 : x - Step 2: Convert to fraction form
238,829.70/329,576.67 = 131,398.62/x - Step 3: Cross multiply
238,829.70x = 329,576.67 × 131,398.62 - Step 4: Simplify right side
238,829.70x = 43,305,919,622.20 - Step 5: Solve for x
x = 43,305,919,622.20/238,829.70 - Step 6: Final answer
x = 181,325.52
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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.