Finding the Fourth Proportional to 398,399.91, 597,550.11 and 161,514.99
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Solution
The fourth proportional to 398,399.91, 597,550.11 and 161,514.99 is: 242,252.31
Step by Step Solution
- Step 1: Write the proportion equation
398,399.91 : 597,550.11 = 161,514.99 : x - Step 2: Convert to fraction form
398,399.91/597,550.11 = 161,514.99/x - Step 3: Cross multiply
398,399.91x = 597,550.11 × 161,514.99 - Step 4: Simplify right side
398,399.91x = 96,513,300,041.15 - Step 5: Solve for x
x = 96,513,300,041.15/398,399.91 - Step 6: Final answer
x = 242,252.31
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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.