Finding the Fourth Proportional to 238,915.14, 329,724.99 and 131,506.98
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Solution
The fourth proportional to 238,915.14, 329,724.99 and 131,506.98 is: 181,491.80
Step by Step Solution
- Step 1: Write the proportion equation
238,915.14 : 329,724.99 = 131,506.98 : x - Step 2: Convert to fraction form
238,915.14/329,724.99 = 131,506.98/x - Step 3: Cross multiply
238,915.14x = 329,724.99 × 131,506.98 - Step 4: Simplify right side
238,915.14x = 43,361,137,665.43 - Step 5: Solve for x
x = 43,361,137,665.43/238,915.14 - Step 6: Final answer
x = 181,491.80
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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.