Finding the Fourth Proportional to 447,463.81, 617,514.06 and 253,879.68
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Solution
The fourth proportional to 447,463.81, 617,514.06 and 253,879.68 is: 350,361.90
Step by Step Solution
- Step 1: Write the proportion equation
447,463.81 : 617,514.06 = 253,879.68 : x - Step 2: Convert to fraction form
447,463.81/617,514.06 = 253,879.68/x - Step 3: Cross multiply
447,463.81x = 617,514.06 × 253,879.68 - Step 4: Simplify right side
447,463.81x = 156,774,271,948.30 - Step 5: Solve for x
x = 156,774,271,948.30/447,463.81 - Step 6: Final answer
x = 350,361.90
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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.