Finding the Fourth Proportional to 457,622.44, 686,423.74 and 125,198.44
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Solution
The fourth proportional to 457,622.44, 686,423.74 and 125,198.44 is: 187,794.95
Step by Step Solution
- Step 1: Write the proportion equation
457,622.44 : 686,423.74 = 125,198.44 : x - Step 2: Convert to fraction form
457,622.44/686,423.74 = 125,198.44/x - Step 3: Cross multiply
457,622.44x = 686,423.74 × 125,198.44 - Step 4: Simplify right side
457,622.44x = 85,939,181,426.97 - Step 5: Solve for x
x = 85,939,181,426.97/457,622.44 - Step 6: Final answer
x = 187,794.95
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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.