Finding the Fourth Proportional to 113,199.69, 156,216.99 and 62,217.99
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Solution
The fourth proportional to 113,199.69, 156,216.99 and 62,217.99 is: 85,861.61
Step by Step Solution
- Step 1: Write the proportion equation
113,199.69 : 156,216.99 = 62,217.99 : x - Step 2: Convert to fraction form
113,199.69/156,216.99 = 62,217.99/x - Step 3: Cross multiply
113,199.69x = 156,216.99 × 62,217.99 - Step 4: Simplify right side
113,199.69x = 9,719,507,121.65 - Step 5: Solve for x
x = 9,719,507,121.65/113,199.69 - Step 6: Final answer
x = 85,861.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.