Finding the Fourth Proportional to 177,957.16, 245,556.60 and 106,321.96
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Solution
The fourth proportional to 177,957.16, 245,556.60 and 106,321.96 is: 146,709.80
Step by Step Solution
- Step 1: Write the proportion equation
177,957.16 : 245,556.60 = 106,321.96 : x - Step 2: Convert to fraction form
177,957.16/245,556.60 = 106,321.96/x - Step 3: Cross multiply
177,957.16x = 245,556.60 × 106,321.96 - Step 4: Simplify right side
177,957.16x = 26,108,059,002.94 - Step 5: Solve for x
x = 26,108,059,002.94/177,957.16 - Step 6: Final answer
x = 146,709.80
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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.