Finding the Fourth Proportional to 298,229.83, 411,568.50 and 170,929.99
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Solution
The fourth proportional to 298,229.83, 411,568.50 and 170,929.99 is: 235,889.88
Step by Step Solution
- Step 1: Write the proportion equation
298,229.83 : 411,568.50 = 170,929.99 : x - Step 2: Convert to fraction form
298,229.83/411,568.50 = 170,929.99/x - Step 3: Cross multiply
298,229.83x = 411,568.50 × 170,929.99 - Step 4: Simplify right side
298,229.83x = 70,349,399,589.32 - Step 5: Solve for x
x = 70,349,399,589.32/298,229.83 - Step 6: Final answer
x = 235,889.88
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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.