Finding the Fourth Proportional to 185,542.99, 256,052.44 and 100,660.05
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Solution
The fourth proportional to 185,542.99, 256,052.44 and 100,660.05 is: 138,912.56
Step by Step Solution
- Step 1: Write the proportion equation
185,542.99 : 256,052.44 = 100,660.05 : x - Step 2: Convert to fraction form
185,542.99/256,052.44 = 100,660.05/x - Step 3: Cross multiply
185,542.99x = 256,052.44 × 100,660.05 - Step 4: Simplify right side
185,542.99x = 25,774,251,413.02 - Step 5: Solve for x
x = 25,774,251,413.02/185,542.99 - Step 6: Final answer
x = 138,912.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.