Finding the Fourth Proportional to 285,975.60, 394,482.36 and 178,358.80
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Solution
The fourth proportional to 285,975.60, 394,482.36 and 178,358.80 is: 246,032.88
Step by Step Solution
- Step 1: Write the proportion equation
285,975.60 : 394,482.36 = 178,358.80 : x - Step 2: Convert to fraction form
285,975.60/394,482.36 = 178,358.80/x - Step 3: Cross multiply
285,975.60x = 394,482.36 × 178,358.80 - Step 4: Simplify right side
285,975.60x = 70,359,400,033.41 - Step 5: Solve for x
x = 70,359,400,033.41/285,975.60 - Step 6: Final answer
x = 246,032.88
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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.