Finding the Fourth Proportional to 490,537.60, 735,806.40 and 366,121.60
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Solution
The fourth proportional to 490,537.60, 735,806.40 and 366,121.60 is: 549,182.40
Step by Step Solution
- Step 1: Write the proportion equation
490,537.60 : 735,806.40 = 366,121.60 : x - Step 2: Convert to fraction form
490,537.60/735,806.40 = 366,121.60/x - Step 3: Cross multiply
490,537.60x = 735,806.40 × 366,121.60 - Step 4: Simplify right side
490,537.60x = 269,394,616,458.24 - Step 5: Solve for x
x = 269,394,616,458.24/490,537.60 - Step 6: Final answer
x = 549,182.40
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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.