Finding the Fourth Proportional to 324,108.60, 485,288.10 and 254,124.60
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Solution
The fourth proportional to 324,108.60, 485,288.10 and 254,124.60 is: 380,500.99
Step by Step Solution
- Step 1: Write the proportion equation
324,108.60 : 485,288.10 = 254,124.60 : x - Step 2: Convert to fraction form
324,108.60/485,288.10 = 254,124.60/x - Step 3: Cross multiply
324,108.60x = 485,288.10 × 254,124.60 - Step 4: Simplify right side
324,108.60x = 123,323,644,297.26 - Step 5: Solve for x
x = 123,323,644,297.26/324,108.60 - Step 6: Final answer
x = 380,500.99
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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.