Finding the Fourth Proportional to 323,163.28, 484,966.36 and 112,801.20
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Solution
The fourth proportional to 323,163.28, 484,966.36 and 112,801.20 is: 169,279.09
Step by Step Solution
- Step 1: Write the proportion equation
323,163.28 : 484,966.36 = 112,801.20 : x - Step 2: Convert to fraction form
323,163.28/484,966.36 = 112,801.20/x - Step 3: Cross multiply
323,163.28x = 484,966.36 × 112,801.20 - Step 4: Simplify right side
323,163.28x = 54,704,787,367.63 - Step 5: Solve for x
x = 54,704,787,367.63/323,163.28 - Step 6: Final answer
x = 169,279.09
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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.