Finding the Fourth Proportional to 171,849.99, 257,691.65 and 100,795.84
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Solution
The fourth proportional to 171,849.99, 257,691.65 and 100,795.84 is: 151,144.88
Step by Step Solution
- Step 1: Write the proportion equation
171,849.99 : 257,691.65 = 100,795.84 : x - Step 2: Convert to fraction form
171,849.99/257,691.65 = 100,795.84/x - Step 3: Cross multiply
171,849.99x = 257,691.65 × 100,795.84 - Step 4: Simplify right side
171,849.99x = 25,974,245,930.50 - Step 5: Solve for x
x = 25,974,245,930.50/171,849.99 - Step 6: Final answer
x = 151,144.88
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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.