Finding the Fourth Proportional to 357,796.24, 493,758.48 and 196,661.68
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Solution
The fourth proportional to 357,796.24, 493,758.48 and 196,661.68 is: 271,392.94
Step by Step Solution
- Step 1: Write the proportion equation
357,796.24 : 493,758.48 = 196,661.68 : x - Step 2: Convert to fraction form
357,796.24/493,758.48 = 196,661.68/x - Step 3: Cross multiply
357,796.24x = 493,758.48 × 196,661.68 - Step 4: Simplify right side
357,796.24x = 97,103,372,191.05 - Step 5: Solve for x
x = 97,103,372,191.05/357,796.24 - Step 6: Final answer
x = 271,392.94
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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.