Finding the Fourth Proportional to 357,793.24, 493,754.34 and 196,658.68
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Solution
The fourth proportional to 357,793.24, 493,754.34 and 196,658.68 is: 271,388.80
Step by Step Solution
- Step 1: Write the proportion equation
357,793.24 : 493,754.34 = 196,658.68 : x - Step 2: Convert to fraction form
357,793.24/493,754.34 = 196,658.68/x - Step 3: Cross multiply
357,793.24x = 493,754.34 × 196,658.68 - Step 4: Simplify right side
357,793.24x = 97,101,076,748.67 - Step 5: Solve for x
x = 97,101,076,748.67/357,793.24 - Step 6: Final answer
x = 271,388.80
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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.