Finding the Fourth Proportional to 457,626.44, 686,429.74 and 125,202.44
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Solution
The fourth proportional to 457,626.44, 686,429.74 and 125,202.44 is: 187,800.95
Step by Step Solution
- Step 1: Write the proportion equation
457,626.44 : 686,429.74 = 125,202.44 : x - Step 2: Convert to fraction form
457,626.44/686,429.74 = 125,202.44/x - Step 3: Cross multiply
457,626.44x = 686,429.74 × 125,202.44 - Step 4: Simplify right side
457,626.44x = 85,942,678,336.57 - Step 5: Solve for x
x = 85,942,678,336.57/457,626.44 - Step 6: Final answer
x = 187,800.95
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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.