Finding the Fourth Proportional to 383,107.22, 528,679.41 and 213,357.14
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Solution
The fourth proportional to 383,107.22, 528,679.41 and 213,357.14 is: 294,428.09
Step by Step Solution
- Step 1: Write the proportion equation
383,107.22 : 528,679.41 = 213,357.14 : x - Step 2: Convert to fraction form
383,107.22/528,679.41 = 213,357.14/x - Step 3: Cross multiply
383,107.22x = 528,679.41 × 213,357.14 - Step 4: Simplify right side
383,107.22x = 112,797,526,894.49 - Step 5: Solve for x
x = 112,797,526,894.49/383,107.22 - Step 6: Final answer
x = 294,428.09
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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.