Finding the Fourth Proportional to 366,928.70, 550,393.05 and 307,879.70
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Solution
The fourth proportional to 366,928.70, 550,393.05 and 307,879.70 is: 461,819.55
Step by Step Solution
- Step 1: Write the proportion equation
366,928.70 : 550,393.05 = 307,879.70 : x - Step 2: Convert to fraction form
366,928.70/550,393.05 = 307,879.70/x - Step 3: Cross multiply
366,928.70x = 550,393.05 × 307,879.70 - Step 4: Simplify right side
366,928.70x = 169,454,847,116.09 - Step 5: Solve for x
x = 169,454,847,116.09/366,928.70 - Step 6: Final answer
x = 461,819.55
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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.