Finding the Fourth Proportional to 238,764.19, 329,541.33 and 136,857.97
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Solution
The fourth proportional to 238,764.19, 329,541.33 and 136,857.97 is: 188,890.79
Step by Step Solution
- Step 1: Write the proportion equation
238,764.19 : 329,541.33 = 136,857.97 : x - Step 2: Convert to fraction form
238,764.19/329,541.33 = 136,857.97/x - Step 3: Cross multiply
238,764.19x = 329,541.33 × 136,857.97 - Step 4: Simplify right side
238,764.19x = 45,100,357,454.90 - Step 5: Solve for x
x = 45,100,357,454.90/238,764.19 - Step 6: Final answer
x = 188,890.79
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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.