Finding the Fourth Proportional to 177,348.14, 244,745.86 and 100,878.26
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Solution
The fourth proportional to 177,348.14, 244,745.86 and 100,878.26 is: 139,215.09
Step by Step Solution
- Step 1: Write the proportion equation
177,348.14 : 244,745.86 = 100,878.26 : x - Step 2: Convert to fraction form
177,348.14/244,745.86 = 100,878.26/x - Step 3: Cross multiply
177,348.14x = 244,745.86 × 100,878.26 - Step 4: Simplify right side
177,348.14x = 24,689,536,499.00 - Step 5: Solve for x
x = 24,689,536,499.00/177,348.14 - Step 6: Final answer
x = 139,215.09
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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.