Finding the Fourth Proportional to 391,371.12, 587,062.08 and 110,888.10
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Solution
The fourth proportional to 391,371.12, 587,062.08 and 110,888.10 is: 166,333.68
Step by Step Solution
- Step 1: Write the proportion equation
391,371.12 : 587,062.08 = 110,888.10 : x - Step 2: Convert to fraction form
391,371.12/587,062.08 = 110,888.10/x - Step 3: Cross multiply
391,371.12x = 587,062.08 × 110,888.10 - Step 4: Simplify right side
391,371.12x = 65,098,198,633.25 - Step 5: Solve for x
x = 65,098,198,633.25/391,371.12 - Step 6: Final answer
x = 166,333.68
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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.