Finding the Fourth Proportional to 238,628.26, 329,313.35 and 131,201.06
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Solution
The fourth proportional to 238,628.26, 329,313.35 and 131,201.06 is: 181,060.96
Step by Step Solution
- Step 1: Write the proportion equation
238,628.26 : 329,313.35 = 131,201.06 : x - Step 2: Convert to fraction form
238,628.26/329,313.35 = 131,201.06/x - Step 3: Cross multiply
238,628.26x = 329,313.35 × 131,201.06 - Step 4: Simplify right side
238,628.26x = 43,206,259,936.15 - Step 5: Solve for x
x = 43,206,259,936.15/238,628.26 - Step 6: Final answer
x = 181,060.96
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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.