Finding the Fourth Proportional to 449,191.60, 619,857.84 and 245,201.92
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Solution
The fourth proportional to 449,191.60, 619,857.84 and 245,201.92 is: 338,364.15
Step by Step Solution
- Step 1: Write the proportion equation
449,191.60 : 619,857.84 = 245,201.92 : x - Step 2: Convert to fraction form
449,191.60/619,857.84 = 245,201.92/x - Step 3: Cross multiply
449,191.60x = 619,857.84 × 245,201.92 - Step 4: Simplify right side
449,191.60x = 151,990,332,495.05 - Step 5: Solve for x
x = 151,990,332,495.05/449,191.60 - Step 6: Final answer
x = 338,364.15
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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.