Finding the Fourth Proportional to 295,896.20, 444,122.70 and 155,755.40
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Solution
The fourth proportional to 295,896.20, 444,122.70 and 155,755.40 is: 233,779.65
Step by Step Solution
- Step 1: Write the proportion equation
295,896.20 : 444,122.70 = 155,755.40 : x - Step 2: Convert to fraction form
295,896.20/444,122.70 = 155,755.40/x - Step 3: Cross multiply
295,896.20x = 444,122.70 × 155,755.40 - Step 4: Simplify right side
295,896.20x = 69,174,508,787.58 - Step 5: Solve for x
x = 69,174,508,787.58/295,896.20 - Step 6: Final answer
x = 233,779.65
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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.