Finding the Fourth Proportional to 177,945.05, 245,556.83 and 106,364.54
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Solution
The fourth proportional to 177,945.05, 245,556.83 and 106,364.54 is: 146,778.67
Step by Step Solution
- Step 1: Write the proportion equation
177,945.05 : 245,556.83 = 106,364.54 : x - Step 2: Convert to fraction form
177,945.05/245,556.83 = 106,364.54/x - Step 3: Cross multiply
177,945.05x = 245,556.83 × 106,364.54 - Step 4: Simplify right side
177,945.05x = 26,118,537,507.20 - Step 5: Solve for x
x = 26,118,537,507.20/177,945.05 - Step 6: Final answer
x = 146,778.67
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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.