Finding the Fourth Proportional to 449,474.40, 673,336.80 and 249,436.80
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Solution
The fourth proportional to 449,474.40, 673,336.80 and 249,436.80 is: 373,669.73
Step by Step Solution
- Step 1: Write the proportion equation
449,474.40 : 673,336.80 = 249,436.80 : x - Step 2: Convert to fraction form
449,474.40/673,336.80 = 249,436.80/x - Step 3: Cross multiply
449,474.40x = 673,336.80 × 249,436.80 - Step 4: Simplify right side
449,474.40x = 167,954,976,714.24 - Step 5: Solve for x
x = 167,954,976,714.24/449,474.40 - Step 6: Final answer
x = 373,669.73
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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.