Finding the Fourth Proportional to 381,352.70, 572,029.05 and 362,107.10
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Solution
The fourth proportional to 381,352.70, 572,029.05 and 362,107.10 is: 543,160.65
Step by Step Solution
- Step 1: Write the proportion equation
381,352.70 : 572,029.05 = 362,107.10 : x - Step 2: Convert to fraction form
381,352.70/572,029.05 = 362,107.10/x - Step 3: Cross multiply
381,352.70x = 572,029.05 × 362,107.10 - Step 4: Simplify right side
381,352.70x = 207,135,780,411.26 - Step 5: Solve for x
x = 207,135,780,411.26/381,352.70 - Step 6: Final answer
x = 543,160.65
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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.