Finding the Fourth Proportional to 224,745.45, 310,148.70 and 129,250.09
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Solution
The fourth proportional to 224,745.45, 310,148.70 and 129,250.09 is: 178,365.11
Step by Step Solution
- Step 1: Write the proportion equation
224,745.45 : 310,148.70 = 129,250.09 : x - Step 2: Convert to fraction form
224,745.45/310,148.70 = 129,250.09/x - Step 3: Cross multiply
224,745.45x = 310,148.70 × 129,250.09 - Step 4: Simplify right side
224,745.45x = 40,086,747,388.38 - Step 5: Solve for x
x = 40,086,747,388.38/224,745.45 - Step 6: Final answer
x = 178,365.11
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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.