Finding the Fourth Proportional to 312,950.91, 469,218.96 and 113,245.31
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Solution
The fourth proportional to 312,950.91, 469,218.96 and 113,245.31 is: 169,792.91
Step by Step Solution
- Step 1: Write the proportion equation
312,950.91 : 469,218.96 = 113,245.31 : x - Step 2: Convert to fraction form
312,950.91/469,218.96 = 113,245.31/x - Step 3: Cross multiply
312,950.91x = 469,218.96 × 113,245.31 - Step 4: Simplify right side
312,950.91x = 53,136,847,756.13 - Step 5: Solve for x
x = 53,136,847,756.13/312,950.91 - Step 6: Final answer
x = 169,792.91
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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.