Finding the Fourth Proportional to 741,950.70, 1,112,958.45 and 243,314.70
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Solution
The fourth proportional to 741,950.70, 1,112,958.45 and 243,314.70 is: 364,982.68
Step by Step Solution
- Step 1: Write the proportion equation
741,950.70 : 1,112,958.45 = 243,314.70 : x - Step 2: Convert to fraction form
741,950.70/1,112,958.45 = 243,314.70/x - Step 3: Cross multiply
741,950.70x = 1,112,958.45 × 243,314.70 - Step 4: Simplify right side
741,950.70x = 270,799,151,374.22 - Step 5: Solve for x
x = 270,799,151,374.22/741,950.70 - Step 6: Final answer
x = 364,982.68
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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.