Finding the Fourth Proportional to 274,711.37, 412,207.70 and 130,780.08
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Solution
The fourth proportional to 274,711.37, 412,207.70 and 130,780.08 is: 196,237.08
Step by Step Solution
- Step 1: Write the proportion equation
274,711.37 : 412,207.70 = 130,780.08 : x - Step 2: Convert to fraction form
274,711.37/412,207.70 = 130,780.08/x - Step 3: Cross multiply
274,711.37x = 412,207.70 × 130,780.08 - Step 4: Simplify right side
274,711.37x = 53,908,555,328.72 - Step 5: Solve for x
x = 53,908,555,328.72/274,711.37 - Step 6: Final answer
x = 196,237.08
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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.