Finding the Fourth Proportional to 238,949.92, 329,750.97 and 131,519.18
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Solution
The fourth proportional to 238,949.92, 329,750.97 and 131,519.18 is: 181,496.52
Step by Step Solution
- Step 1: Write the proportion equation
238,949.92 : 329,750.97 = 131,519.18 : x - Step 2: Convert to fraction form
238,949.92/329,750.97 = 131,519.18/x - Step 3: Cross multiply
238,949.92x = 329,750.97 × 131,519.18 - Step 4: Simplify right side
238,949.92x = 43,368,577,178.60 - Step 5: Solve for x
x = 43,368,577,178.60/238,949.92 - Step 6: Final answer
x = 181,496.52
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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.