Finding the Fourth Proportional to 321,125.12, 443,133.70 and 175,902.02
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Solution
The fourth proportional to 321,125.12, 443,133.70 and 175,902.02 is: 242,734.39
Step by Step Solution
- Step 1: Write the proportion equation
321,125.12 : 443,133.70 = 175,902.02 : x - Step 2: Convert to fraction form
321,125.12/443,133.70 = 175,902.02/x - Step 3: Cross multiply
321,125.12x = 443,133.70 × 175,902.02 - Step 4: Simplify right side
321,125.12x = 77,948,110,304.65 - Step 5: Solve for x
x = 77,948,110,304.65/321,125.12 - Step 6: Final answer
x = 242,734.39
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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.