Finding the Fourth Proportional to 285,975.79, 394,482.62 and 178,358.99
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Solution
The fourth proportional to 285,975.79, 394,482.62 and 178,358.99 is: 246,033.14
Step by Step Solution
- Step 1: Write the proportion equation
285,975.79 : 394,482.62 = 178,358.99 : x - Step 2: Convert to fraction form
285,975.79/394,482.62 = 178,358.99/x - Step 3: Cross multiply
285,975.79x = 394,482.62 × 178,358.99 - Step 4: Simplify right side
285,975.79x = 70,359,520,149.24 - Step 5: Solve for x
x = 70,359,520,149.24/285,975.79 - Step 6: Final answer
x = 246,033.14
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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.