Finding the Fourth Proportional to 371,291.62, 512,383.02 and 201,525.82
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Solution
The fourth proportional to 371,291.62, 512,383.02 and 201,525.82 is: 278,105.95
Step by Step Solution
- Step 1: Write the proportion equation
371,291.62 : 512,383.02 = 201,525.82 : x - Step 2: Convert to fraction form
371,291.62/512,383.02 = 201,525.82/x - Step 3: Cross multiply
371,291.62x = 512,383.02 × 201,525.82 - Step 4: Simplify right side
371,291.62x = 103,258,408,259.58 - Step 5: Solve for x
x = 103,258,408,259.58/371,291.62 - Step 6: Final answer
x = 278,105.95
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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.