Finding the Fourth Proportional to 445,291.97, 668,106.08 and 267,923.54
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Solution
The fourth proportional to 445,291.97, 668,106.08 and 267,923.54 is: 401,986.47
Step by Step Solution
- Step 1: Write the proportion equation
445,291.97 : 668,106.08 = 267,923.54 : x - Step 2: Convert to fraction form
445,291.97/668,106.08 = 267,923.54/x - Step 3: Cross multiply
445,291.97x = 668,106.08 × 267,923.54 - Step 4: Simplify right side
445,291.97x = 179,001,348,389.20 - Step 5: Solve for x
x = 179,001,348,389.20/445,291.97 - Step 6: Final answer
x = 401,986.47
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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.