Finding the Fourth Proportional to 239,115.24, 330,202.98 and 149,846.76
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Solution
The fourth proportional to 239,115.24, 330,202.98 and 149,846.76 is: 206,928.87
Step by Step Solution
- Step 1: Write the proportion equation
239,115.24 : 330,202.98 = 149,846.76 : x - Step 2: Convert to fraction form
239,115.24/330,202.98 = 149,846.76/x - Step 3: Cross multiply
239,115.24x = 330,202.98 × 149,846.76 - Step 4: Simplify right side
239,115.24x = 49,479,846,695.34 - Step 5: Solve for x
x = 49,479,846,695.34/239,115.24 - Step 6: Final answer
x = 206,928.87
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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.