Finding the Fourth Proportional to 431,837.12, 595,936.26 and 240,862.88
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Solution
The fourth proportional to 431,837.12, 595,936.26 and 240,862.88 is: 332,391.35
Step by Step Solution
- Step 1: Write the proportion equation
431,837.12 : 595,936.26 = 240,862.88 : x - Step 2: Convert to fraction form
431,837.12/595,936.26 = 240,862.88/x - Step 3: Cross multiply
431,837.12x = 595,936.26 × 240,862.88 - Step 4: Simplify right side
431,837.12x = 143,538,923,880.03 - Step 5: Solve for x
x = 143,538,923,880.03/431,837.12 - Step 6: Final answer
x = 332,391.35
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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.