Finding the Fourth Proportional to 513,542.51, 770,163.19 and 193,463.44
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Solution
The fourth proportional to 513,542.51, 770,163.19 and 193,463.44 is: 290,138.43
Step by Step Solution
- Step 1: Write the proportion equation
513,542.51 : 770,163.19 = 193,463.44 : x - Step 2: Convert to fraction form
513,542.51/770,163.19 = 193,463.44/x - Step 3: Cross multiply
513,542.51x = 770,163.19 × 193,463.44 - Step 4: Simplify right side
513,542.51x = 148,998,417,689.71 - Step 5: Solve for x
x = 148,998,417,689.71/513,542.51 - Step 6: Final answer
x = 290,138.43
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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.