Finding the Fourth Proportional to 449,669.14, 620,535.94 and 245,715.70
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Solution
The fourth proportional to 449,669.14, 620,535.94 and 245,715.70 is: 339,083.58
Step by Step Solution
- Step 1: Write the proportion equation
449,669.14 : 620,535.94 = 245,715.70 : x - Step 2: Convert to fraction form
449,669.14/620,535.94 = 245,715.70/x - Step 3: Cross multiply
449,669.14x = 620,535.94 × 245,715.70 - Step 4: Simplify right side
449,669.14x = 152,475,422,872.26 - Step 5: Solve for x
x = 152,475,422,872.26/449,669.14 - Step 6: Final answer
x = 339,083.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.