Finding the Fourth Proportional to 449,405.41, 673,340.84 and 247,170.79
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Solution
The fourth proportional to 449,405.41, 673,340.84 and 247,170.79 is: 370,334.19
Step by Step Solution
- Step 1: Write the proportion equation
449,405.41 : 673,340.84 = 247,170.79 : x - Step 2: Convert to fraction form
449,405.41/673,340.84 = 247,170.79/x - Step 3: Cross multiply
449,405.41x = 673,340.84 × 247,170.79 - Step 4: Simplify right side
449,405.41x = 166,430,186,296.64 - Step 5: Solve for x
x = 166,430,186,296.64/449,405.41 - Step 6: Final answer
x = 370,334.19
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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.