Finding the Fourth Proportional to 513,338.60, 769,464.92 and 193,352.01
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Solution
The fourth proportional to 513,338.60, 769,464.92 and 193,352.01 is: 289,823.50
Step by Step Solution
- Step 1: Write the proportion equation
513,338.60 : 769,464.92 = 193,352.01 : x - Step 2: Convert to fraction form
513,338.60/769,464.92 = 193,352.01/x - Step 3: Cross multiply
513,338.60x = 769,464.92 × 193,352.01 - Step 4: Simplify right side
513,338.60x = 148,777,587,939.73 - Step 5: Solve for x
x = 148,777,587,939.73/513,338.60 - Step 6: Final answer
x = 289,823.50
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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.