Finding the Fourth Proportional to 342,389.20, 513,163.14 and 192,314.02
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Solution
The fourth proportional to 342,389.20, 513,163.14 and 192,314.02 is: 288,234.75
Step by Step Solution
- Step 1: Write the proportion equation
342,389.20 : 513,163.14 = 192,314.02 : x - Step 2: Convert to fraction form
342,389.20/513,163.14 = 192,314.02/x - Step 3: Cross multiply
342,389.20x = 513,163.14 × 192,314.02 - Step 4: Simplify right side
342,389.20x = 98,688,466,369.22 - Step 5: Solve for x
x = 98,688,466,369.22/342,389.20 - Step 6: Final answer
x = 288,234.75
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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.