Finding the Fourth Proportional to 322,899.48, 484,351.92 and 112,537.08
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Solution
The fourth proportional to 322,899.48, 484,351.92 and 112,537.08 is: 168,806.56
Step by Step Solution
- Step 1: Write the proportion equation
322,899.48 : 484,351.92 = 112,537.08 : x - Step 2: Convert to fraction form
322,899.48/484,351.92 = 112,537.08/x - Step 3: Cross multiply
322,899.48x = 484,351.92 × 112,537.08 - Step 4: Simplify right side
322,899.48x = 54,507,550,769.19 - Step 5: Solve for x
x = 54,507,550,769.19/322,899.48 - Step 6: Final answer
x = 168,806.56
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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.