Finding the Fourth Proportional to 550,249.20, 759,501.36 and 324,025.92
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Solution
The fourth proportional to 550,249.20, 759,501.36 and 324,025.92 is: 447,248.50
Step by Step Solution
- Step 1: Write the proportion equation
550,249.20 : 759,501.36 = 324,025.92 : x - Step 2: Convert to fraction form
550,249.20/759,501.36 = 324,025.92/x - Step 3: Cross multiply
550,249.20x = 759,501.36 × 324,025.92 - Step 4: Simplify right side
550,249.20x = 246,098,126,915.25 - Step 5: Solve for x
x = 246,098,126,915.25/550,249.20 - Step 6: Final answer
x = 447,248.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.