Finding the Fourth Proportional to 171,944.23, 257,552.70 and 108,731.74
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Solution
The fourth proportional to 171,944.23, 257,552.70 and 108,731.74 is: 162,867.65
Step by Step Solution
- Step 1: Write the proportion equation
171,944.23 : 257,552.70 = 108,731.74 : x - Step 2: Convert to fraction form
171,944.23/257,552.70 = 108,731.74/x - Step 3: Cross multiply
171,944.23x = 257,552.70 × 108,731.74 - Step 4: Simplify right side
171,944.23x = 28,004,153,212.70 - Step 5: Solve for x
x = 28,004,153,212.70/171,944.23 - Step 6: Final answer
x = 162,867.65
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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.