Finding the Fourth Proportional to 448,983.36, 673,817.69 and 164,943.09
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Solution
The fourth proportional to 448,983.36, 673,817.69 and 164,943.09 is: 247,540.52
Step by Step Solution
- Step 1: Write the proportion equation
448,983.36 : 673,817.69 = 164,943.09 : x - Step 2: Convert to fraction form
448,983.36/673,817.69 = 164,943.09/x - Step 3: Cross multiply
448,983.36x = 673,817.69 × 164,943.09 - Step 4: Simplify right side
448,983.36x = 111,141,572,297.62 - Step 5: Solve for x
x = 111,141,572,297.62/448,983.36 - Step 6: Final answer
x = 247,540.52
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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.