Finding the Fourth Proportional to 397,171.63, 595,570.21 and 144,273.84
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Solution
The fourth proportional to 397,171.63, 595,570.21 and 144,273.84 is: 216,342.75
Step by Step Solution
- Step 1: Write the proportion equation
397,171.63 : 595,570.21 = 144,273.84 : x - Step 2: Convert to fraction form
397,171.63/595,570.21 = 144,273.84/x - Step 3: Cross multiply
397,171.63x = 595,570.21 × 144,273.84 - Step 4: Simplify right side
397,171.63x = 85,925,201,186.31 - Step 5: Solve for x
x = 85,925,201,186.31/397,171.63 - Step 6: Final answer
x = 216,342.75
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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.