Finding the Fourth Proportional to 431,879.28, 595,995.60 and 238,293.68
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Solution
The fourth proportional to 431,879.28, 595,995.60 and 238,293.68 is: 328,846.49
Step by Step Solution
- Step 1: Write the proportion equation
431,879.28 : 595,995.60 = 238,293.68 : x - Step 2: Convert to fraction form
431,879.28/595,995.60 = 238,293.68/x - Step 3: Cross multiply
431,879.28x = 595,995.60 × 238,293.68 - Step 4: Simplify right side
431,879.28x = 142,021,984,787.81 - Step 5: Solve for x
x = 142,021,984,787.81/431,879.28 - Step 6: Final answer
x = 328,846.49
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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.