Finding the Fourth Proportional to 201,891.80, 302,509.65 and 168,430.70
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Solution
The fourth proportional to 201,891.80, 302,509.65 and 168,430.70 is: 252,372.37
Step by Step Solution
- Step 1: Write the proportion equation
201,891.80 : 302,509.65 = 168,430.70 : x - Step 2: Convert to fraction form
201,891.80/302,509.65 = 168,430.70/x - Step 3: Cross multiply
201,891.80x = 302,509.65 × 168,430.70 - Step 4: Simplify right side
201,891.80x = 50,951,912,106.26 - Step 5: Solve for x
x = 50,951,912,106.26/201,891.80 - Step 6: Final answer
x = 252,372.37
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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.