Finding the Fourth Proportional to 163,351.10, 225,448.92 and 99,725.84
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Solution
The fourth proportional to 163,351.10, 225,448.92 and 99,725.84 is: 137,636.56
Step by Step Solution
- Step 1: Write the proportion equation
163,351.10 : 225,448.92 = 99,725.84 : x - Step 2: Convert to fraction form
163,351.10/225,448.92 = 99,725.84/x - Step 3: Cross multiply
163,351.10x = 225,448.92 × 99,725.84 - Step 4: Simplify right side
163,351.10x = 22,483,082,924.09 - Step 5: Solve for x
x = 22,483,082,924.09/163,351.10 - Step 6: Final answer
x = 137,636.56
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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.