Finding the Fourth Proportional to 239,049.75, 329,888.67 and 133,065.75
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Solution
The fourth proportional to 239,049.75, 329,888.67 and 133,065.75 is: 183,630.74
Step by Step Solution
- Step 1: Write the proportion equation
239,049.75 : 329,888.67 = 133,065.75 : x - Step 2: Convert to fraction form
239,049.75/329,888.67 = 133,065.75/x - Step 3: Cross multiply
239,049.75x = 329,888.67 × 133,065.75 - Step 4: Simplify right side
239,049.75x = 43,896,883,290.05 - Step 5: Solve for x
x = 43,896,883,290.05/239,049.75 - Step 6: Final answer
x = 183,630.74
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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.