Finding the Fourth Proportional to 357,793.70, 493,764.36 and 196,652.84
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Solution
The fourth proportional to 357,793.70, 493,764.36 and 196,652.84 is: 271,385.90
Step by Step Solution
- Step 1: Write the proportion equation
357,793.70 : 493,764.36 = 196,652.84 : x - Step 2: Convert to fraction form
357,793.70/493,764.36 = 196,652.84/x - Step 3: Cross multiply
357,793.70x = 493,764.36 × 196,652.84 - Step 4: Simplify right side
357,793.70x = 97,100,163,684.78 - Step 5: Solve for x
x = 97,100,163,684.78/357,793.70 - Step 6: Final answer
x = 271,385.90
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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.