Finding the Fourth Proportional to 546,933.20, 819,087.60 and 266,122.40
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Solution
The fourth proportional to 546,933.20, 819,087.60 and 266,122.40 is: 398,545.12
Step by Step Solution
- Step 1: Write the proportion equation
546,933.20 : 819,087.60 = 266,122.40 : x - Step 2: Convert to fraction form
546,933.20/819,087.60 = 266,122.40/x - Step 3: Cross multiply
546,933.20x = 819,087.60 × 266,122.40 - Step 4: Simplify right side
546,933.20x = 217,977,557,922.24 - Step 5: Solve for x
x = 217,977,557,922.24/546,933.20 - Step 6: Final answer
x = 398,545.12
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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.