Finding the Fourth Proportional to 177,768.90, 245,324.94 and 106,135.56
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Solution
The fourth proportional to 177,768.90, 245,324.94 and 106,135.56 is: 146,469.38
Step by Step Solution
- Step 1: Write the proportion equation
177,768.90 : 245,324.94 = 106,135.56 : x - Step 2: Convert to fraction form
177,768.90/245,324.94 = 106,135.56/x - Step 3: Cross multiply
177,768.90x = 245,324.94 × 106,135.56 - Step 4: Simplify right side
177,768.90x = 26,037,699,888.87 - Step 5: Solve for x
x = 26,037,699,888.87/177,768.90 - Step 6: Final answer
x = 146,469.38
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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.