Finding the Fourth Proportional to 220,709.57, 331,067.40 and 62,937.99
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Solution
The fourth proportional to 220,709.57, 331,067.40 and 62,937.99 is: 94,407.85
Step by Step Solution
- Step 1: Write the proportion equation
220,709.57 : 331,067.40 = 62,937.99 : x - Step 2: Convert to fraction form
220,709.57/331,067.40 = 62,937.99/x - Step 3: Cross multiply
220,709.57x = 331,067.40 × 62,937.99 - Step 4: Simplify right side
220,709.57x = 20,836,716,710.53 - Step 5: Solve for x
x = 20,836,716,710.53/220,709.57 - Step 6: Final answer
x = 94,407.85
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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.