Finding the Fourth Proportional to 538,120.97, 807,218.36 and 178,291.13
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Solution
The fourth proportional to 538,120.97, 807,218.36 and 178,291.13 is: 267,448.92
Step by Step Solution
- Step 1: Write the proportion equation
538,120.97 : 807,218.36 = 178,291.13 : x - Step 2: Convert to fraction form
538,120.97/807,218.36 = 178,291.13/x - Step 3: Cross multiply
538,120.97x = 807,218.36 × 178,291.13 - Step 4: Simplify right side
538,120.97x = 143,919,869,302.19 - Step 5: Solve for x
x = 143,919,869,302.19/538,120.97 - Step 6: Final answer
x = 267,448.92
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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.