Finding the Fourth Proportional to 181,771.26, 272,478.28 and 86,974.53
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Solution
The fourth proportional to 181,771.26, 272,478.28 and 86,974.53 is: 130,376.33
Step by Step Solution
- Step 1: Write the proportion equation
181,771.26 : 272,478.28 = 86,974.53 : x - Step 2: Convert to fraction form
181,771.26/272,478.28 = 86,974.53/x - Step 3: Cross multiply
181,771.26x = 272,478.28 × 86,974.53 - Step 4: Simplify right side
181,771.26x = 23,698,670,338.21 - Step 5: Solve for x
x = 23,698,670,338.21/181,771.26 - Step 6: Final answer
x = 130,376.33
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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.