Finding the Fourth Proportional to 150,115.14, 206,291.84 and 143,176.50
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Solution
The fourth proportional to 150,115.14, 206,291.84 and 143,176.50 is: 196,756.59
Step by Step Solution
- Step 1: Write the proportion equation
150,115.14 : 206,291.84 = 143,176.50 : x - Step 2: Convert to fraction form
150,115.14/206,291.84 = 143,176.50/x - Step 3: Cross multiply
150,115.14x = 206,291.84 × 143,176.50 - Step 4: Simplify right side
150,115.14x = 29,536,143,629.76 - Step 5: Solve for x
x = 29,536,143,629.76/150,115.14 - Step 6: Final answer
x = 196,756.59
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.