Finding the Fourth Proportional to 323,122.14, 484,676.28 and 86,464.80
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Solution
The fourth proportional to 323,122.14, 484,676.28 and 86,464.80 is: 129,695.35
Step by Step Solution
- Step 1: Write the proportion equation
323,122.14 : 484,676.28 = 86,464.80 : x - Step 2: Convert to fraction form
323,122.14/484,676.28 = 86,464.80/x - Step 3: Cross multiply
323,122.14x = 484,676.28 × 86,464.80 - Step 4: Simplify right side
323,122.14x = 41,907,437,614.94 - Step 5: Solve for x
x = 41,907,437,614.94/323,122.14 - Step 6: Final answer
x = 129,695.35
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1.5x scale
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.