Finding the Fourth Proportional to 239,060.75, 329,903.84 and 133,076.75
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Solution
The fourth proportional to 239,060.75, 329,903.84 and 133,076.75 is: 183,645.92
Step by Step Solution
- Step 1: Write the proportion equation
239,060.75 : 329,903.84 = 133,076.75 : x - Step 2: Convert to fraction form
239,060.75/329,903.84 = 133,076.75/x - Step 3: Cross multiply
239,060.75x = 329,903.84 × 133,076.75 - Step 4: Simplify right side
239,060.75x = 43,902,530,839.72 - Step 5: Solve for x
x = 43,902,530,839.72/239,060.75 - Step 6: Final answer
x = 183,645.92
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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.