Finding the Fourth Proportional to 238,960.49, 329,762.87 and 131,528.21
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Solution
The fourth proportional to 238,960.49, 329,762.87 and 131,528.21 is: 181,507.49
Step by Step Solution
- Step 1: Write the proportion equation
238,960.49 : 329,762.87 = 131,528.21 : x - Step 2: Convert to fraction form
238,960.49/329,762.87 = 131,528.21/x - Step 3: Cross multiply
238,960.49x = 329,762.87 × 131,528.21 - Step 4: Simplify right side
238,960.49x = 43,373,117,709.11 - Step 5: Solve for x
x = 43,373,117,709.11/238,960.49 - Step 6: Final answer
x = 181,507.49
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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.