Finding the Fourth Proportional to 357,911.26, 493,904.94 and 196,765.12
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Solution
The fourth proportional to 357,911.26, 493,904.94 and 196,765.12 is: 271,528.94
Step by Step Solution
- Step 1: Write the proportion equation
357,911.26 : 493,904.94 = 196,765.12 : x - Step 2: Convert to fraction form
357,911.26/493,904.94 = 196,765.12/x - Step 3: Cross multiply
357,911.26x = 493,904.94 × 196,765.12 - Step 4: Simplify right side
357,911.26x = 97,183,264,667.20 - Step 5: Solve for x
x = 97,183,264,667.20/357,911.26 - Step 6: Final answer
x = 271,528.94
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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.