Finding the Fourth Proportional to 181,241.99, 250,122.27 and 100,669.79
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Solution
The fourth proportional to 181,241.99, 250,122.27 and 100,669.79 is: 138,928.93
Step by Step Solution
- Step 1: Write the proportion equation
181,241.99 : 250,122.27 = 100,669.79 : x - Step 2: Convert to fraction form
181,241.99/250,122.27 = 100,669.79/x - Step 3: Cross multiply
181,241.99x = 250,122.27 × 100,669.79 - Step 4: Simplify right side
181,241.99x = 25,179,756,395.22 - Step 5: Solve for x
x = 25,179,756,395.22/181,241.99 - Step 6: Final answer
x = 138,928.93
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1.5x scale
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.