Finding the Fourth Proportional to 393,251.24, 589,843.92 and 203,507.12
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Solution
The fourth proportional to 393,251.24, 589,843.92 and 203,507.12 is: 305,243.63
Step by Step Solution
- Step 1: Write the proportion equation
393,251.24 : 589,843.92 = 203,507.12 : x - Step 2: Convert to fraction form
393,251.24/589,843.92 = 203,507.12/x - Step 3: Cross multiply
393,251.24x = 589,843.92 × 203,507.12 - Step 4: Simplify right side
393,251.24x = 120,037,437,408.71 - Step 5: Solve for x
x = 120,037,437,408.71/393,251.24 - Step 6: Final answer
x = 305,243.63
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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.