Finding the Fourth Proportional to 324,101.10, 485,276.85 and 254,117.10
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Solution
The fourth proportional to 324,101.10, 485,276.85 and 254,117.10 is: 380,489.75
Step by Step Solution
- Step 1: Write the proportion equation
324,101.10 : 485,276.85 = 254,117.10 : x - Step 2: Convert to fraction form
324,101.10/485,276.85 = 254,117.10/x - Step 3: Cross multiply
324,101.10x = 485,276.85 × 254,117.10 - Step 4: Simplify right side
324,101.10x = 123,317,145,819.14 - Step 5: Solve for x
x = 123,317,145,819.14/324,101.10 - Step 6: Final answer
x = 380,489.75
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1.5x scale
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.