Finding the Fourth Proportional to 106,975.46, 160,464.99 and 40,447.10
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Solution
The fourth proportional to 106,975.46, 160,464.99 and 40,447.10 is: 60,671.33
Step by Step Solution
- Step 1: Write the proportion equation
106,975.46 : 160,464.99 = 40,447.10 : x - Step 2: Convert to fraction form
106,975.46/160,464.99 = 40,447.10/x - Step 3: Cross multiply
106,975.46x = 160,464.99 × 40,447.10 - Step 4: Simplify right side
106,975.46x = 6,490,343,497.03 - Step 5: Solve for x
x = 6,490,343,497.03/106,975.46 - Step 6: Final answer
x = 60,671.33
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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.