Finding the Fourth Proportional to 173,248.65, 259,889.99 and 72,025.79
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Solution
The fourth proportional to 173,248.65, 259,889.99 and 72,025.79 is: 108,045.75
Step by Step Solution
- Step 1: Write the proportion equation
173,248.65 : 259,889.99 = 72,025.79 : x - Step 2: Convert to fraction form
173,248.65/259,889.99 = 72,025.79/x - Step 3: Cross multiply
173,248.65x = 259,889.99 × 72,025.79 - Step 4: Simplify right side
173,248.65x = 18,718,780,183.26 - Step 5: Solve for x
x = 18,718,780,183.26/173,248.65 - Step 6: Final answer
x = 108,045.75
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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.