Finding the Fourth Proportional to 603,724.99, 905,618.50 and 154,449.75
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Solution
The fourth proportional to 603,724.99, 905,618.50 and 154,449.75 is: 231,682.56
Step by Step Solution
- Step 1: Write the proportion equation
603,724.99 : 905,618.50 = 154,449.75 : x - Step 2: Convert to fraction form
603,724.99/905,618.50 = 154,449.75/x - Step 3: Cross multiply
603,724.99x = 905,618.50 × 154,449.75 - Step 4: Simplify right side
603,724.99x = 139,872,550,920.38 - Step 5: Solve for x
x = 139,872,550,920.38/603,724.99 - Step 6: Final answer
x = 231,682.56
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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.