Finding the Fourth Proportional to 238,497.14, 329,119.20 and 131,067.05
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Solution
The fourth proportional to 238,497.14, 329,119.20 and 131,067.05 is: 180,868.75
Step by Step Solution
- Step 1: Write the proportion equation
238,497.14 : 329,119.20 = 131,067.05 : x - Step 2: Convert to fraction form
238,497.14/329,119.20 = 131,067.05/x - Step 3: Cross multiply
238,497.14x = 329,119.20 × 131,067.05 - Step 4: Simplify right side
238,497.14x = 43,136,680,996.76 - Step 5: Solve for x
x = 43,136,680,996.76/238,497.14 - Step 6: Final answer
x = 180,868.75
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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.