Finding the Fourth Proportional to 238,758.32, 329,481.11 and 131,325.99
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Solution
The fourth proportional to 238,758.32, 329,481.11 and 131,325.99 is: 181,226.91
Step by Step Solution
- Step 1: Write the proportion equation
238,758.32 : 329,481.11 = 131,325.99 : x - Step 2: Convert to fraction form
238,758.32/329,481.11 = 131,325.99/x - Step 3: Cross multiply
238,758.32x = 329,481.11 × 131,325.99 - Step 4: Simplify right side
238,758.32x = 43,269,432,300.42 - Step 5: Solve for x
x = 43,269,432,300.42/238,758.32 - Step 6: Final answer
x = 181,226.91
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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.