Finding the Fourth Proportional to 281,751.24, 388,811.70 and 167,107.08
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Solution
The fourth proportional to 281,751.24, 388,811.70 and 167,107.08 is: 230,604.80
Step by Step Solution
- Step 1: Write the proportion equation
281,751.24 : 388,811.70 = 167,107.08 : x - Step 2: Convert to fraction form
281,751.24/388,811.70 = 167,107.08/x - Step 3: Cross multiply
281,751.24x = 388,811.70 × 167,107.08 - Step 4: Simplify right side
281,751.24x = 64,973,187,856.84 - Step 5: Solve for x
x = 64,973,187,856.84/281,751.24 - Step 6: Final answer
x = 230,604.80
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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.