Finding the Fourth Proportional to 238,635.99, 329,314.71 and 131,205.08
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Solution
The fourth proportional to 238,635.99, 329,314.71 and 131,205.08 is: 181,061.39
Step by Step Solution
- Step 1: Write the proportion equation
238,635.99 : 329,314.71 = 131,205.08 : x - Step 2: Convert to fraction form
238,635.99/329,314.71 = 131,205.08/x - Step 3: Cross multiply
238,635.99x = 329,314.71 × 131,205.08 - Step 4: Simplify right side
238,635.99x = 43,207,764,186.03 - Step 5: Solve for x
x = 43,207,764,186.03/238,635.99 - Step 6: Final answer
x = 181,061.39
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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.