Finding the Fourth Proportional to 323,905.23, 485,857.85 and 166,032.99
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Solution
The fourth proportional to 323,905.23, 485,857.85 and 166,032.99 is: 249,049.49
Step by Step Solution
- Step 1: Write the proportion equation
323,905.23 : 485,857.85 = 166,032.99 : x - Step 2: Convert to fraction form
323,905.23/485,857.85 = 166,032.99/x - Step 3: Cross multiply
323,905.23x = 485,857.85 × 166,032.99 - Step 4: Simplify right side
323,905.23x = 80,668,430,720.31 - Step 5: Solve for x
x = 80,668,430,720.31/323,905.23 - Step 6: Final answer
x = 249,049.49
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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.