Finding the Fourth Proportional to 517,574.90, 775,900.62 and 201,958.40
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Solution
The fourth proportional to 517,574.90, 775,900.62 and 201,958.40 is: 302,757.43
Step by Step Solution
- Step 1: Write the proportion equation
517,574.90 : 775,900.62 = 201,958.40 : x - Step 2: Convert to fraction form
517,574.90/775,900.62 = 201,958.40/x - Step 3: Cross multiply
517,574.90x = 775,900.62 × 201,958.40 - Step 4: Simplify right side
517,574.90x = 156,699,647,774.21 - Step 5: Solve for x
x = 156,699,647,774.21/517,574.90 - Step 6: Final answer
x = 302,757.43
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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.