Finding the Fourth Proportional to 298,102.06, 447,104.49 and 87,690.79
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Solution
The fourth proportional to 298,102.06, 447,104.49 and 87,690.79 is: 131,521.89
Step by Step Solution
- Step 1: Write the proportion equation
298,102.06 : 447,104.49 = 87,690.79 : x - Step 2: Convert to fraction form
298,102.06/447,104.49 = 87,690.79/x - Step 3: Cross multiply
298,102.06x = 447,104.49 × 87,690.79 - Step 4: Simplify right side
298,102.06x = 39,206,945,940.65 - Step 5: Solve for x
x = 39,206,945,940.65/298,102.06 - Step 6: Final answer
x = 131,521.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.