Finding the Fourth Proportional to 450,974.21, 675,972.21 and 225,791.58
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Solution
The fourth proportional to 450,974.21, 675,972.21 and 225,791.58 is: 338,442.49
Step by Step Solution
- Step 1: Write the proportion equation
450,974.21 : 675,972.21 = 225,791.58 : x - Step 2: Convert to fraction form
450,974.21/675,972.21 = 225,791.58/x - Step 3: Cross multiply
450,974.21x = 675,972.21 × 225,791.58 - Step 4: Simplify right side
450,974.21x = 152,628,833,331.99 - Step 5: Solve for x
x = 152,628,833,331.99/450,974.21 - Step 6: Final answer
x = 338,442.49
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1.5x scale
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.