Finding the Fourth Proportional to 159,471.24, 239,150.70 and 47,121.54
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Solution
The fourth proportional to 159,471.24, 239,150.70 and 47,121.54 is: 70,665.72
Step by Step Solution
- Step 1: Write the proportion equation
159,471.24 : 239,150.70 = 47,121.54 : x - Step 2: Convert to fraction form
159,471.24/239,150.70 = 47,121.54/x - Step 3: Cross multiply
159,471.24x = 239,150.70 × 47,121.54 - Step 4: Simplify right side
159,471.24x = 11,269,149,276.08 - Step 5: Solve for x
x = 11,269,149,276.08/159,471.24 - Step 6: Final answer
x = 70,665.72
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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.