Finding the Fourth Proportional to 324,106.60, 485,285.10 and 254,122.60
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Solution
The fourth proportional to 324,106.60, 485,285.10 and 254,122.60 is: 380,497.99
Step by Step Solution
- Step 1: Write the proportion equation
324,106.60 : 485,285.10 = 254,122.60 : x - Step 2: Convert to fraction form
324,106.60/485,285.10 = 254,122.60/x - Step 3: Cross multiply
324,106.60x = 485,285.10 × 254,122.60 - Step 4: Simplify right side
324,106.60x = 123,321,911,353.26 - Step 5: Solve for x
x = 123,321,911,353.26/324,106.60 - Step 6: Final answer
x = 380,497.99
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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.