Finding the Fourth Proportional to 326,614.14, 489,730.50 and 126,700.92
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Solution
The fourth proportional to 326,614.14, 489,730.50 and 126,700.92 is: 189,977.40
Step by Step Solution
- Step 1: Write the proportion equation
326,614.14 : 489,730.50 = 126,700.92 : x - Step 2: Convert to fraction form
326,614.14/489,730.50 = 126,700.92/x - Step 3: Cross multiply
326,614.14x = 489,730.50 × 126,700.92 - Step 4: Simplify right side
326,614.14x = 62,049,304,902.06 - Step 5: Solve for x
x = 62,049,304,902.06/326,614.14 - Step 6: Final answer
x = 189,977.40
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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.