Finding the Fourth Proportional to 357,520.24, 493,356.12 and 196,343.92
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Solution
The fourth proportional to 357,520.24, 493,356.12 and 196,343.92 is: 270,942.63
Step by Step Solution
- Step 1: Write the proportion equation
357,520.24 : 493,356.12 = 196,343.92 : x - Step 2: Convert to fraction form
357,520.24/493,356.12 = 196,343.92/x - Step 3: Cross multiply
357,520.24x = 493,356.12 × 196,343.92 - Step 4: Simplify right side
357,520.24x = 96,867,474,556.79 - Step 5: Solve for x
x = 96,867,474,556.79/357,520.24 - Step 6: Final answer
x = 270,942.63
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1.5x scale
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.