Finding the Fourth Proportional to 691,515.54, 1,037,273.49 and 218,237.94
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Solution
The fourth proportional to 691,515.54, 1,037,273.49 and 218,237.94 is: 327,356.97
Step by Step Solution
- Step 1: Write the proportion equation
691,515.54 : 1,037,273.49 = 218,237.94 : x - Step 2: Convert to fraction form
691,515.54/1,037,273.49 = 218,237.94/x - Step 3: Cross multiply
691,515.54x = 1,037,273.49 × 218,237.94 - Step 4: Simplify right side
691,515.54x = 226,372,429,674.21 - Step 5: Solve for x
x = 226,372,429,674.21/691,515.54 - Step 6: Final answer
x = 327,356.97
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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.