Finding the Fourth Proportional to 376,626.30, 564,414.57 and 283,022.70
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Solution
The fourth proportional to 376,626.30, 564,414.57 and 283,022.70 is: 424,139.62
Step by Step Solution
- Step 1: Write the proportion equation
376,626.30 : 564,414.57 = 283,022.70 : x - Step 2: Convert to fraction form
376,626.30/564,414.57 = 283,022.70/x - Step 3: Cross multiply
376,626.30x = 564,414.57 × 283,022.70 - Step 4: Simplify right side
376,626.30x = 159,742,135,520.74 - Step 5: Solve for x
x = 159,742,135,520.74/376,626.30 - Step 6: Final answer
x = 424,139.62
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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.