Finding the Fourth Proportional to 494,246.19, 682,052.36 and 279,378.71
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Solution
The fourth proportional to 494,246.19, 682,052.36 and 279,378.71 is: 385,538.44
Step by Step Solution
- Step 1: Write the proportion equation
494,246.19 : 682,052.36 = 279,378.71 : x - Step 2: Convert to fraction form
494,246.19/682,052.36 = 279,378.71/x - Step 3: Cross multiply
494,246.19x = 682,052.36 × 279,378.71 - Step 4: Simplify right side
494,246.19x = 190,550,903,682.10 - Step 5: Solve for x
x = 190,550,903,682.10/494,246.19 - Step 6: Final answer
x = 385,538.44
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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.