Finding the Fourth Proportional to 109,179.68, 150,612.75 and 63,828.09
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Solution
The fourth proportional to 109,179.68, 150,612.75 and 63,828.09 is: 88,050.49
Step by Step Solution
- Step 1: Write the proportion equation
109,179.68 : 150,612.75 = 63,828.09 : x - Step 2: Convert to fraction form
109,179.68/150,612.75 = 63,828.09/x - Step 3: Cross multiply
109,179.68x = 150,612.75 × 63,828.09 - Step 4: Simplify right side
109,179.68x = 9,613,324,162.15 - Step 5: Solve for x
x = 9,613,324,162.15/109,179.68 - Step 6: Final answer
x = 88,050.49
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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.