Finding the Fourth Proportional to 323,220.24, 484,295.76 and 165,231.36
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Solution
The fourth proportional to 323,220.24, 484,295.76 and 165,231.36 is: 247,573.75
Step by Step Solution
- Step 1: Write the proportion equation
323,220.24 : 484,295.76 = 165,231.36 : x - Step 2: Convert to fraction form
323,220.24/484,295.76 = 165,231.36/x - Step 3: Cross multiply
323,220.24x = 484,295.76 × 165,231.36 - Step 4: Simplify right side
323,220.24x = 80,020,847,067.03 - Step 5: Solve for x
x = 80,020,847,067.03/323,220.24 - Step 6: Final answer
x = 247,573.75
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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.