Finding the Fourth Proportional to 181,474.13, 250,427.74 and 99,801.68
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Solution
The fourth proportional to 181,474.13, 250,427.74 and 99,801.68 is: 137,722.70
Step by Step Solution
- Step 1: Write the proportion equation
181,474.13 : 250,427.74 = 99,801.68 : x - Step 2: Convert to fraction form
181,474.13/250,427.74 = 99,801.68/x - Step 3: Cross multiply
181,474.13x = 250,427.74 × 99,801.68 - Step 4: Simplify right side
181,474.13x = 24,993,107,419.46 - Step 5: Solve for x
x = 24,993,107,419.46/181,474.13 - Step 6: Final answer
x = 137,722.70
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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.