Finding the Fourth Proportional to 357,958.21, 535,768.99 and 263,163.30
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Solution
The fourth proportional to 357,958.21, 535,768.99 and 263,163.30 is: 393,886.02
Step by Step Solution
- Step 1: Write the proportion equation
357,958.21 : 535,768.99 = 263,163.30 : x - Step 2: Convert to fraction form
357,958.21/535,768.99 = 263,163.30/x - Step 3: Cross multiply
357,958.21x = 535,768.99 × 263,163.30 - Step 4: Simplify right side
357,958.21x = 140,994,735,446.07 - Step 5: Solve for x
x = 140,994,735,446.07/357,958.21 - Step 6: Final answer
x = 393,886.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.