Finding the Fourth Proportional to 171,743.57, 257,616.01 and 71,833.68
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Solution
The fourth proportional to 171,743.57, 257,616.01 and 71,833.68 is: 107,750.79
Step by Step Solution
- Step 1: Write the proportion equation
171,743.57 : 257,616.01 = 71,833.68 : x - Step 2: Convert to fraction form
171,743.57/257,616.01 = 71,833.68/x - Step 3: Cross multiply
171,743.57x = 257,616.01 × 71,833.68 - Step 4: Simplify right side
171,743.57x = 18,505,506,025.22 - Step 5: Solve for x
x = 18,505,506,025.22/171,743.57 - Step 6: Final answer
x = 107,750.79
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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.