Finding the Fourth Proportional to 366,299.70, 548,793.45 and 313,811.70
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Solution
The fourth proportional to 366,299.70, 548,793.45 and 313,811.70 is: 470,155.46
Step by Step Solution
- Step 1: Write the proportion equation
366,299.70 : 548,793.45 = 313,811.70 : x - Step 2: Convert to fraction form
366,299.70/548,793.45 = 313,811.70/x - Step 3: Cross multiply
366,299.70x = 548,793.45 × 313,811.70 - Step 4: Simplify right side
366,299.70x = 172,217,805,493.37 - Step 5: Solve for x
x = 172,217,805,493.37/366,299.70 - Step 6: Final answer
x = 470,155.46
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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.