Finding the Fourth Proportional to 177,845.82, 245,408.50 and 106,215.90
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Solution
The fourth proportional to 177,845.82, 245,408.50 and 106,215.90 is: 146,566.75
Step by Step Solution
- Step 1: Write the proportion equation
177,845.82 : 245,408.50 = 106,215.90 : x - Step 2: Convert to fraction form
177,845.82/245,408.50 = 106,215.90/x - Step 3: Cross multiply
177,845.82x = 245,408.50 × 106,215.90 - Step 4: Simplify right side
177,845.82x = 26,066,284,695.15 - Step 5: Solve for x
x = 26,066,284,695.15/177,845.82 - Step 6: Final answer
x = 146,566.75
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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.