Finding the Fourth Proportional to 324,649.68, 447,987.42 and 181,389.84
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Solution
The fourth proportional to 324,649.68, 447,987.42 and 181,389.84 is: 250,301.70
Step by Step Solution
- Step 1: Write the proportion equation
324,649.68 : 447,987.42 = 181,389.84 : x - Step 2: Convert to fraction form
324,649.68/447,987.42 = 181,389.84/x - Step 3: Cross multiply
324,649.68x = 447,987.42 × 181,389.84 - Step 4: Simplify right side
324,649.68x = 81,260,366,435.81 - Step 5: Solve for x
x = 81,260,366,435.81/324,649.68 - Step 6: Final answer
x = 250,301.70
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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.