Finding the Fourth Proportional to 177,216.21, 244,604.88 and 100,779.98
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Solution
The fourth proportional to 177,216.21, 244,604.88 and 100,779.98 is: 139,102.82
Step by Step Solution
- Step 1: Write the proportion equation
177,216.21 : 244,604.88 = 100,779.98 : x - Step 2: Convert to fraction form
177,216.21/244,604.88 = 100,779.98/x - Step 3: Cross multiply
177,216.21x = 244,604.88 × 100,779.98 - Step 4: Simplify right side
177,216.21x = 24,651,273,691.28 - Step 5: Solve for x
x = 24,651,273,691.28/177,216.21 - Step 6: Final answer
x = 139,102.82
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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.