Finding the Fourth Proportional to 300,448.08, 450,642.84 and 78,832.08
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Solution
The fourth proportional to 300,448.08, 450,642.84 and 78,832.08 is: 118,240.44
Step by Step Solution
- Step 1: Write the proportion equation
300,448.08 : 450,642.84 = 78,832.08 : x - Step 2: Convert to fraction form
300,448.08/450,642.84 = 78,832.08/x - Step 3: Cross multiply
300,448.08x = 450,642.84 × 78,832.08 - Step 4: Simplify right side
300,448.08x = 35,525,112,414.31 - Step 5: Solve for x
x = 35,525,112,414.31/300,448.08 - Step 6: Final answer
x = 118,240.44
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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.