Finding the Fourth Proportional to 469,525.41, 647,729.87 and 278,469.09
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Solution
The fourth proportional to 469,525.41, 647,729.87 and 278,469.09 is: 384,159.71
Step by Step Solution
- Step 1: Write the proportion equation
469,525.41 : 647,729.87 = 278,469.09 : x - Step 2: Convert to fraction form
469,525.41/647,729.87 = 278,469.09/x - Step 3: Cross multiply
469,525.41x = 647,729.87 × 278,469.09 - Step 4: Simplify right side
469,525.41x = 180,372,746,072.37 - Step 5: Solve for x
x = 180,372,746,072.37/469,525.41 - Step 6: Final answer
x = 384,159.71
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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.