Finding the Fourth Proportional to 167,954.13, 251,879.31 and 55,611.09
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Solution
The fourth proportional to 167,954.13, 251,879.31 and 55,611.09 is: 83,399.46
Step by Step Solution
- Step 1: Write the proportion equation
167,954.13 : 251,879.31 = 55,611.09 : x - Step 2: Convert to fraction form
167,954.13/251,879.31 = 55,611.09/x - Step 3: Cross multiply
167,954.13x = 251,879.31 × 55,611.09 - Step 4: Simplify right side
167,954.13x = 14,007,282,977.55 - Step 5: Solve for x
x = 14,007,282,977.55/167,954.13 - Step 6: Final answer
x = 83,399.46
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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.