Finding the Fourth Proportional to 644,893.74, 967,350.17 and 245,556.65
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Solution
The fourth proportional to 644,893.74, 967,350.17 and 245,556.65 is: 368,338.61
Step by Step Solution
- Step 1: Write the proportion equation
644,893.74 : 967,350.17 = 245,556.65 : x - Step 2: Convert to fraction form
644,893.74/967,350.17 = 245,556.65/x - Step 3: Cross multiply
644,893.74x = 967,350.17 × 245,556.65 - Step 4: Simplify right side
644,893.74x = 237,539,261,057.60 - Step 5: Solve for x
x = 237,539,261,057.60/644,893.74 - Step 6: Final answer
x = 368,338.61
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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.